{"id":3717,"date":"2018-11-18T12:28:04","date_gmt":"2018-11-18T04:28:04","guid":{"rendered":"http:\/\/switch.linesno.com\/?p=3717"},"modified":"2018-11-18T12:28:04","modified_gmt":"2018-11-18T04:28:04","slug":"spring%e7%bc%93%e5%ad%98%e6%b3%a8%e8%a7%a3cacheable%e3%80%81cacheevict%e3%80%81cacheput%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/switch.linesno.com\/?p=3717","title":{"rendered":"Spring\u7f13\u5b58\u6ce8\u89e3@Cacheable\u3001@CacheEvict\u3001@CachePut\u4f7f\u7528"},"content":{"rendered":"

\u4ece3.1\u5f00\u59cb\uff0cSpring\u5f15\u5165\u4e86\u5bf9Cache\u7684\u652f\u6301\u3002\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u539f\u7406\u90fd\u7c7b\u4f3c\u4e8eSpring\u5bf9\u4e8b\u52a1\u7ba1\u7406\u7684\u652f\u6301\u3002Spring Cache\u662f\u4f5c\u7528\u5728\u65b9\u6cd5\u4e0a\u7684\uff0c\u5176\u6838\u5fc3\u601d\u60f3\u662f\u8fd9\u6837\u7684\uff1a\u5f53\u6211\u4eec\u5728\u8c03\u7528\u4e00\u4e2a\u7f13\u5b58\u65b9\u6cd5\u65f6\u4f1a\u628a\u8be5\u65b9\u6cd5\u53c2\u6570\u548c\u8fd4\u56de\u7ed3\u679c\u4f5c\u4e3a\u4e00\u4e2a\u952e\u503c\u5bf9\u5b58\u653e\u5728\u7f13\u5b58\u4e2d\uff0c\u7b49\u5230\u4e0b\u6b21\u5229\u7528\u540c\u6837\u7684\u53c2\u6570\u6765\u8c03\u7528\u8be5\u65b9\u6cd5\u65f6\u5c06\u4e0d\u518d\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u800c\u662f\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7ed3\u679c\u8fdb\u884c\u8fd4\u56de\u3002\u6240\u4ee5\u5728\u4f7f\u7528Spring Cache\u7684\u65f6\u5019\u6211\u4eec\u8981\u4fdd\u8bc1\u6211\u4eec\u7f13\u5b58\u7684\u65b9\u6cd5\u5bf9\u4e8e\u76f8\u540c\u7684\u65b9\u6cd5\u53c2\u6570\u8981\u6709\u76f8\u540c\u7684\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n

\u4f7f\u7528Spring Cache\u9700\u8981\u6211\u4eec\u505a\u4e24\u65b9\u9762\u7684\u4e8b\uff1a<\/p>\n

n\u00a0\u00a0\u58f0\u660e\u67d0\u4e9b\u65b9\u6cd5\u4f7f\u7528\u7f13\u5b58<\/p>\n

n\u00a0\u00a0\u914d\u7f6eSpring\u5bf9Cache\u7684\u652f\u6301<\/p>\n

\u548cSpring\u5bf9\u4e8b\u52a1\u7ba1\u7406\u7684\u652f\u6301\u4e00\u6837\uff0cSpring\u5bf9Cache\u7684\u652f\u6301\u4e5f\u6709\u57fa\u4e8e\u6ce8\u89e3\u548c\u57fa\u4e8eXML\u914d\u7f6e\u4e24\u79cd\u65b9\u5f0f\u3002\u4e0b\u9762\u6211\u4eec\u5148\u6765\u770b\u770b\u57fa\u4e8e\u6ce8\u89e3\u7684\u65b9\u5f0f\u3002<\/p>\n

 <\/p>\n

<\/a>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u57fa\u4e8e\u6ce8\u89e3\u7684\u652f\u6301<\/h1>\n

Spring\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6ce8\u89e3\u6765\u652f\u6301Spring Cache\u3002\u5176\u6838\u5fc3\u4e3b\u8981\u662f@Cacheable\u548c@CacheEvict\u3002\u4f7f\u7528@Cacheable\u6807\u8bb0\u7684\u65b9\u6cd5\u5728\u6267\u884c\u540eSpring Cache\u5c06\u7f13\u5b58\u5176\u8fd4\u56de\u7ed3\u679c\uff0c\u800c\u4f7f\u7528@CacheEvict\u6807\u8bb0\u7684\u65b9\u6cd5\u4f1a\u5728\u65b9\u6cd5\u6267\u884c\u524d\u6216\u8005\u6267\u884c\u540e\u79fb\u9664Spring Cache\u4e2d\u7684\u67d0\u4e9b\u5143\u7d20\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u6765\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0bSpring\u57fa\u4e8e\u6ce8\u89e3\u5bf9Cache\u7684\u652f\u6301\u6240\u63d0\u4f9b\u7684\u51e0\u4e2a\u6ce8\u89e3\u3002<\/p>\n

<\/a>1.1\u00a0\u00a0\u00a0\u00a0@Cacheable<\/h2>\n

@Cacheable\u53ef\u4ee5\u6807\u8bb0\u5728\u4e00\u4e2a\u65b9\u6cd5\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u6807\u8bb0\u5728\u4e00\u4e2a\u7c7b\u4e0a\u3002\u5f53\u6807\u8bb0\u5728\u4e00\u4e2a\u65b9\u6cd5\u4e0a\u65f6\u8868\u793a\u8be5\u65b9\u6cd5\u662f\u652f\u6301\u7f13\u5b58\u7684\uff0c\u5f53\u6807\u8bb0\u5728\u4e00\u4e2a\u7c7b\u4e0a\u65f6\u5219\u8868\u793a\u8be5\u7c7b\u6240\u6709\u7684\u65b9\u6cd5\u90fd\u662f\u652f\u6301\u7f13\u5b58\u7684\u3002\u5bf9\u4e8e\u4e00\u4e2a\u652f\u6301\u7f13\u5b58\u7684\u65b9\u6cd5\uff0cSpring\u4f1a\u5728\u5176\u88ab\u8c03\u7528\u540e\u5c06\u5176\u8fd4\u56de\u503c\u7f13\u5b58\u8d77\u6765\uff0c\u4ee5\u4fdd\u8bc1\u4e0b\u6b21\u5229\u7528\u540c\u6837\u7684\u53c2\u6570\u6765\u6267\u884c\u8be5\u65b9\u6cd5\u65f6\u53ef\u4ee5\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7ed3\u679c\uff0c\u800c\u4e0d\u9700\u8981\u518d\u6b21\u6267\u884c\u8be5\u65b9\u6cd5\u3002Spring\u5728\u7f13\u5b58\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u65f6\u662f\u4ee5\u952e\u503c\u5bf9\u8fdb\u884c\u7f13\u5b58\u7684\uff0c\u503c\u5c31\u662f\u65b9\u6cd5\u7684\u8fd4\u56de\u7ed3\u679c\uff0c\u81f3\u4e8e\u952e\u7684\u8bdd\uff0cSpring\u53c8\u652f\u6301\u4e24\u79cd\u7b56\u7565\uff0c\u9ed8\u8ba4\u7b56\u7565\u548c\u81ea\u5b9a\u4e49\u7b56\u7565\uff0c\u8fd9\u4e2a\u7a0d\u540e\u4f1a\u8fdb\u884c\u8bf4\u660e\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u5f53\u4e00\u4e2a\u652f\u6301\u7f13\u5b58\u7684\u65b9\u6cd5\u5728\u5bf9\u8c61\u5185\u90e8\u88ab\u8c03\u7528\u65f6\u662f\u4e0d\u4f1a\u89e6\u53d1\u7f13\u5b58\u529f\u80fd\u7684\u3002@Cacheable\u53ef\u4ee5\u6307\u5b9a\u4e09\u4e2a\u5c5e\u6027\uff0cvalue\u3001key\u548ccondition\u3002<\/p>\n

<\/a>1.1.1\u00a0\u00a0value\u5c5e\u6027\u6307\u5b9aCache\u540d\u79f0<\/h3>\n

value\u5c5e\u6027\u662f\u5fc5\u987b\u6307\u5b9a\u7684\uff0c\u5176\u8868\u793a\u5f53\u524d\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u4f1a\u88ab\u7f13\u5b58\u5728\u54ea\u4e2aCache\u4e0a\u7684\uff0c\u5bf9\u5e94Cache\u7684\u540d\u79f0\u3002\u5176\u53ef\u4ee5\u662f\u4e00\u4e2aCache\u4e5f\u53ef\u4ee5\u662f\u591a\u4e2aCache\uff0c\u5f53\u9700\u8981\u6307\u5b9a\u591a\u4e2aCache\u65f6\u5176\u662f\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n

@Cacheable(“cache1”)\/\/Cache\u662f\u53d1\u751f\u5728cache1\u4e0a\u7684<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable({“cache1”,\u00a0“cache2”})\/\/Cache\u662f\u53d1\u751f\u5728cache1\u548ccache2\u4e0a\u7684<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.1.2\u00a0\u00a0\u4f7f\u7528key\u5c5e\u6027\u81ea\u5b9a\u4e49key<\/h3>\n

key\u5c5e\u6027\u662f\u7528\u6765\u6307\u5b9aSpring\u7f13\u5b58\u65b9\u6cd5\u7684\u8fd4\u56de\u7ed3\u679c\u65f6\u5bf9\u5e94\u7684key\u7684\u3002\u8be5\u5c5e\u6027\u652f\u6301SpringEL\u8868\u8fbe\u5f0f\u3002\u5f53\u6211\u4eec\u6ca1\u6709\u6307\u5b9a\u8be5\u5c5e\u6027\u65f6\uff0cSpring\u5c06\u4f7f\u7528\u9ed8\u8ba4\u7b56\u7565\u751f\u6210key\u3002\u6211\u4eec\u8fd9\u91cc\u5148\u6765\u770b\u770b\u81ea\u5b9a\u4e49\u7b56\u7565\uff0c\u81f3\u4e8e\u9ed8\u8ba4\u7b56\u7565\u4f1a\u5728\u540e\u6587\u5355\u72ec\u4ecb\u7ecd\u3002<\/p>\n

\u81ea\u5b9a\u4e49\u7b56\u7565\u662f\u6307\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Spring\u7684EL\u8868\u8fbe\u5f0f\u6765\u6307\u5b9a\u6211\u4eec\u7684key\u3002\u8fd9\u91cc\u7684EL\u8868\u8fbe\u5f0f\u53ef\u4ee5\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u53ca\u5b83\u4eec\u5bf9\u5e94\u7684\u5c5e\u6027\u3002\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u65f6\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u201c#\u53c2\u6570\u540d\u201d\u6216\u8005\u201c#p\u53c2\u6570index\u201d\u3002\u4e0b\u9762\u662f\u51e0\u4e2a\u4f7f\u7528\u53c2\u6570\u4f5c\u4e3akey\u7684\u793a\u4f8b\u3002<\/p>\n

@Cacheable(value=”users”, key=”#id”)<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable(value=”users”, key=”#p0″)<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable(value=”users”, key=”#user.id”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable(value=”users”, key=”#p0.id”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

\u9664\u4e86\u4e0a\u8ff0\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u4f5c\u4e3akey\u4e4b\u5916\uff0cSpring\u8fd8\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u4e2aroot\u5bf9\u8c61\u53ef\u4ee5\u7528\u6765\u751f\u6210key\u3002\u901a\u8fc7\u8be5root\u5bf9\u8c61\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u4ee5\u4e0b\u4fe1\u606f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u5c5e\u6027\u540d\u79f0<\/td>\n\u63cf\u8ff0<\/td>\n\u793a\u4f8b<\/td>\n<\/tr>\n
methodName<\/td>\n\u5f53\u524d\u65b9\u6cd5\u540d<\/td>\n#root.methodName<\/td>\n<\/tr>\n
method<\/td>\n\u5f53\u524d\u65b9\u6cd5<\/td>\n#root.method.name<\/td>\n<\/tr>\n
target<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u5bf9\u8c61<\/td>\n#root.target<\/td>\n<\/tr>\n
targetClass<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u5bf9\u8c61\u7684class<\/td>\n#root.targetClass<\/td>\n<\/tr>\n
args<\/td>\n\u5f53\u524d\u65b9\u6cd5\u53c2\u6570\u7ec4\u6210\u7684\u6570\u7ec4<\/td>\n#root.args[0]<\/td>\n<\/tr>\n
caches<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\u4f7f\u7528\u7684Cache<\/td>\n#root.caches[0].name<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u5f53\u6211\u4eec\u8981\u4f7f\u7528root\u5bf9\u8c61\u7684\u5c5e\u6027\u4f5c\u4e3akey\u65f6\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06\u201c#root\u201d\u7701\u7565\uff0c\u56e0\u4e3aSpring\u9ed8\u8ba4\u4f7f\u7528\u7684\u5c31\u662froot\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u5982\uff1a<\/p>\n

@Cacheable(value={“users”,\u00a0“xxx”}, key=”caches[1].name”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.1.3\u00a0\u00a0condition\u5c5e\u6027\u6307\u5b9a\u53d1\u751f\u7684\u6761\u4ef6<\/h3>\n

\u6709\u7684\u65f6\u5019\u6211\u4eec\u53ef\u80fd\u5e76\u4e0d\u5e0c\u671b\u7f13\u5b58\u4e00\u4e2a\u65b9\u6cd5\u6240\u6709\u7684\u8fd4\u56de\u7ed3\u679c\u3002\u901a\u8fc7condition\u5c5e\u6027\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002condition\u5c5e\u6027\u9ed8\u8ba4\u4e3a\u7a7a\uff0c\u8868\u793a\u5c06\u7f13\u5b58\u6240\u6709\u7684\u8c03\u7528\u60c5\u5f62\u3002\u5176\u503c\u662f\u901a\u8fc7SpringEL\u8868\u8fbe\u5f0f\u6765\u6307\u5b9a\u7684\uff0c\u5f53\u4e3atrue\u65f6\u8868\u793a\u8fdb\u884c\u7f13\u5b58\u5904\u7406\uff1b\u5f53\u4e3afalse\u65f6\u8868\u793a\u4e0d\u8fdb\u884c\u7f13\u5b58\u5904\u7406\uff0c\u5373\u6bcf\u6b21\u8c03\u7528\u8be5\u65b9\u6cd5\u65f6\u8be5\u65b9\u6cd5\u90fd\u4f1a\u6267\u884c\u4e00\u6b21\u3002\u5982\u4e0b\u793a\u4f8b\u8868\u793a\u53ea\u6709\u5f53user\u7684id\u4e3a\u5076\u6570\u65f6\u624d\u4f1a\u8fdb\u884c\u7f13\u5b58\u3002<\/p>\n

@Cacheable(value={“users”}, key=”#user.id”, condition=”#user.id%2==0″)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

System.out<\/em>.println(“find user by user ”\u00a0+ user);<\/p>\n

return\u00a0user;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.2\u00a0\u00a0\u00a0\u00a0\u00a0@CachePut<\/h2>\n

\u5728\u652f\u6301Spring Cache\u7684\u73af\u5883\u4e0b\uff0c\u5bf9\u4e8e\u4f7f\u7528@Cacheable\u6807\u6ce8\u7684\u65b9\u6cd5\uff0cSpring\u5728\u6bcf\u6b21\u6267\u884c\u524d\u90fd\u4f1a\u68c0\u67e5Cache\u4e2d\u662f\u5426\u5b58\u5728\u76f8\u540ckey\u7684\u7f13\u5b58\u5143\u7d20\uff0c\u5982\u679c\u5b58\u5728\u5c31\u4e0d\u518d\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u800c\u662f\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7ed3\u679c\u8fdb\u884c\u8fd4\u56de\uff0c\u5426\u5219\u624d\u4f1a\u6267\u884c\u5e76\u5c06\u8fd4\u56de\u7ed3\u679c\u5b58\u5165\u6307\u5b9a\u7684\u7f13\u5b58\u4e2d\u3002@CachePut\u4e5f\u53ef\u4ee5\u58f0\u660e\u4e00\u4e2a\u65b9\u6cd5\u652f\u6301\u7f13\u5b58\u529f\u80fd\u3002\u4e0e@Cacheable\u4e0d\u540c\u7684\u662f\u4f7f\u7528@CachePut\u6807\u6ce8\u7684\u65b9\u6cd5\u5728\u6267\u884c\u524d\u4e0d\u4f1a\u53bb\u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u4e4b\u524d\u6267\u884c\u8fc7\u7684\u7ed3\u679c\uff0c\u800c\u662f\u6bcf\u6b21\u90fd\u4f1a\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u5e76\u5c06\u6267\u884c\u7ed3\u679c\u4ee5\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\u5b58\u5165\u6307\u5b9a\u7684\u7f13\u5b58\u4e2d\u3002<\/p>\n

@CachePut\u4e5f\u53ef\u4ee5\u6807\u6ce8\u5728\u7c7b\u4e0a\u548c\u65b9\u6cd5\u4e0a\u3002\u4f7f\u7528@CachePut\u65f6\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u7684\u5c5e\u6027\u8ddf@Cacheable\u662f\u4e00\u6837\u7684\u3002<\/p>\n

@CachePut(“users”)\/\/\u6bcf\u6b21\u90fd\u4f1a\u6267\u884c\u65b9\u6cd5\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u6307\u5b9a\u7684\u7f13\u5b58\u4e2d<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.3\u00a0\u00a0\u00a0\u00a0\u00a0@CacheEvict<\/h2>\n

@CacheEvict\u662f\u7528\u6765\u6807\u6ce8\u5728\u9700\u8981\u6e05\u9664\u7f13\u5b58\u5143\u7d20\u7684\u65b9\u6cd5\u6216\u7c7b\u4e0a\u7684\u3002\u5f53\u6807\u8bb0\u5728\u4e00\u4e2a\u7c7b\u4e0a\u65f6\u8868\u793a\u5176\u4e2d\u6240\u6709\u7684\u65b9\u6cd5\u7684\u6267\u884c\u90fd\u4f1a\u89e6\u53d1\u7f13\u5b58\u7684\u6e05\u9664\u64cd\u4f5c\u3002@CacheEvict\u53ef\u4ee5\u6307\u5b9a\u7684\u5c5e\u6027\u6709value\u3001key\u3001condition\u3001allEntries\u548cbeforeInvocation\u3002\u5176\u4e2dvalue\u3001key\u548ccondition\u7684\u8bed\u4e49\u4e0e@Cacheable\u5bf9\u5e94\u7684\u5c5e\u6027\u7c7b\u4f3c\u3002\u5373value\u8868\u793a\u6e05\u9664\u64cd\u4f5c\u662f\u53d1\u751f\u5728\u54ea\u4e9bCache\u4e0a\u7684\uff08\u5bf9\u5e94Cache\u7684\u540d\u79f0\uff09\uff1bkey\u8868\u793a\u9700\u8981\u6e05\u9664\u7684\u662f\u54ea\u4e2akey\uff0c\u5982\u672a\u6307\u5b9a\u5219\u4f1a\u4f7f\u7528\u9ed8\u8ba4\u7b56\u7565\u751f\u6210\u7684key\uff1bcondition\u8868\u793a\u6e05\u9664\u64cd\u4f5c\u53d1\u751f\u7684\u6761\u4ef6\u3002\u4e0b\u9762\u6211\u4eec\u6765\u4ecb\u7ecd\u4e00\u4e0b\u65b0\u51fa\u73b0\u7684\u4e24\u4e2a\u5c5e\u6027allEntries\u548cbeforeInvocation\u3002<\/p>\n

<\/a>1.3.1\u00a0\u00a0allEntries\u5c5e\u6027<\/h3>\n

allEntries\u662fboolean\u7c7b\u578b\uff0c\u8868\u793a\u662f\u5426\u9700\u8981\u6e05\u9664\u7f13\u5b58\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u9ed8\u8ba4\u4e3afalse\uff0c\u8868\u793a\u4e0d\u9700\u8981\u3002\u5f53\u6307\u5b9a\u4e86allEntries\u4e3atrue\u65f6\uff0cSpring Cache\u5c06\u5ffd\u7565\u6307\u5b9a\u7684key\u3002\u6709\u7684\u65f6\u5019\u6211\u4eec\u9700\u8981Cache\u4e00\u4e0b\u6e05\u9664\u6240\u6709\u7684\u5143\u7d20\uff0c\u8fd9\u6bd4\u4e00\u4e2a\u4e00\u4e2a\u6e05\u9664\u5143\u7d20\u66f4\u6709\u6548\u7387\u3002<\/p>\n

@CacheEvict(value=”users”, allEntries=true)<\/p>\n

public\u00a0void\u00a0delete(Integer id) {<\/p>\n

System.out<\/em>.println(“delete user by id: ”\u00a0+ id);<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.3.2\u00a0\u00a0beforeInvocation\u5c5e\u6027<\/h3>\n

\u6e05\u9664\u64cd\u4f5c\u9ed8\u8ba4\u662f\u5728\u5bf9\u5e94\u65b9\u6cd5\u6210\u529f\u6267\u884c\u4e4b\u540e\u89e6\u53d1\u7684\uff0c\u5373\u65b9\u6cd5\u5982\u679c\u56e0\u4e3a\u629b\u51fa\u5f02\u5e38\u800c\u672a\u80fd\u6210\u529f\u8fd4\u56de\u65f6\u4e5f\u4e0d\u4f1a\u89e6\u53d1\u6e05\u9664\u64cd\u4f5c\u3002\u4f7f\u7528beforeInvocation\u53ef\u4ee5\u6539\u53d8\u89e6\u53d1\u6e05\u9664\u64cd\u4f5c\u7684\u65f6\u95f4\uff0c\u5f53\u6211\u4eec\u6307\u5b9a\u8be5\u5c5e\u6027\u503c\u4e3atrue\u65f6\uff0cSpring\u4f1a\u5728\u8c03\u7528\u8be5\u65b9\u6cd5\u4e4b\u524d\u6e05\u9664\u7f13\u5b58\u4e2d\u7684\u6307\u5b9a\u5143\u7d20\u3002<\/p>\n

@CacheEvict(value=”users”, beforeInvocation=true)<\/p>\n

public\u00a0void\u00a0delete(Integer id) {<\/p>\n

System.out<\/em>.println(“delete user by id: ”\u00a0+ id);<\/p>\n

}<\/p>\n

 <\/p>\n

\u5176\u5b9e\u9664\u4e86\u4f7f\u7528@CacheEvict\u6e05\u9664\u7f13\u5b58\u5143\u7d20\u5916\uff0c\u5f53\u6211\u4eec\u4f7f\u7528Ehcache\u4f5c\u4e3a\u5b9e\u73b0\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u914d\u7f6eEhcache\u81ea\u8eab\u7684\u9a71\u9664\u7b56\u7565\uff0c\u5176\u662f\u901a\u8fc7Ehcache\u7684\u914d\u7f6e\u6587\u4ef6\u6765\u6307\u5b9a\u7684\u3002\u7531\u4e8eEhcache\u4e0d\u662f\u672c\u6587\u63cf\u8ff0\u7684\u91cd\u70b9\uff0c\u8fd9\u91cc\u5c31\u4e0d\u591a\u8d58\u8ff0\u4e86\uff0c\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8eEhcache\u7684\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u6211\u5173\u4e8eEhcache\u7684\u4e13\u680f\u3002<\/p>\n

 <\/p>\n

<\/a>1.4\u00a0\u00a0\u00a0\u00a0\u00a0@Caching<\/h2>\n

@Caching\u6ce8\u89e3\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u4e00\u4e2a\u65b9\u6cd5\u6216\u8005\u7c7b\u4e0a\u540c\u65f6\u6307\u5b9a\u591a\u4e2aSpring Cache\u76f8\u5173\u7684\u6ce8\u89e3\u3002\u5176\u62e5\u6709\u4e09\u4e2a\u5c5e\u6027\uff1acacheable\u3001put\u548cevict\uff0c\u5206\u522b\u7528\u4e8e\u6307\u5b9a@Cacheable\u3001@CachePut\u548c@CacheEvict\u3002<\/p>\n

@Caching(cacheable =\u00a0@Cacheable(“users”), evict = {\u00a0@CacheEvict(“cache2”),<\/p>\n

@CacheEvict(value =\u00a0“cache3”, allEntries =\u00a0true) })<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>1.5\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528\u81ea\u5b9a\u4e49\u6ce8\u89e3<\/h2>\n

Spring\u5141\u8bb8\u6211\u4eec\u5728\u914d\u7f6e\u53ef\u7f13\u5b58\u7684\u65b9\u6cd5\u65f6\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u6ce8\u89e3\uff0c\u524d\u63d0\u662f\u81ea\u5b9a\u4e49\u7684\u6ce8\u89e3\u4e0a\u5fc5\u987b\u4f7f\u7528\u5bf9\u5e94\u7684\u6ce8\u89e3\u8fdb\u884c\u6807\u6ce8\u3002\u5982\u6211\u4eec\u6709\u5982\u4e0b\u8fd9\u4e48\u4e00\u4e2a\u4f7f\u7528@Cacheable\u8fdb\u884c\u6807\u6ce8\u7684\u81ea\u5b9a\u4e49\u6ce8\u89e3\u3002<\/p>\n

@Target({ElementType.TYPE<\/em>, ElementType.METHOD<\/em>})<\/p>\n

@Retention(RetentionPolicy.RUNTIME<\/em>)<\/p>\n

@Cacheable(value=”users”)<\/p>\n

public\u00a0@interface\u00a0MyCacheable\u00a0{<\/p>\n

 <\/p>\n

}<\/p>\n

\u90a3\u4e48\u5728\u6211\u4eec\u9700\u8981\u7f13\u5b58\u7684\u65b9\u6cd5\u4e0a\u4f7f\u7528@MyCacheable\u8fdb\u884c\u6807\u6ce8\u4e5f\u53ef\u4ee5\u8fbe\u5230\u540c\u6837\u7684\u6548\u679c\u3002<\/p>\n

@MyCacheable<\/p>\n

public\u00a0User findById(Integer id) {<\/p>\n

System.out<\/em>.println(“find user by id: ”\u00a0+ id);<\/p>\n

User user =\u00a0new\u00a0User();<\/p>\n

user.setId(id);<\/p>\n

user.setName(“Name”\u00a0+ id);<\/p>\n

return\u00a0user;<\/p>\n

}<\/p>\n

 <\/p>\n

<\/a>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u914d\u7f6eSpring\u5bf9Cache\u7684\u652f\u6301<\/h1>\n

<\/a>2.1\u00a0\u00a0\u00a0\u00a0\u00a0\u58f0\u660e\u5bf9Cache\u7684\u652f\u6301<\/h2>\n

<\/a>2.1.1\u00a0\u00a0\u57fa\u4e8e\u6ce8\u89e3<\/h3>\n

\u914d\u7f6eSpring\u5bf9\u57fa\u4e8e\u6ce8\u89e3\u7684Cache\u7684\u652f\u6301\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u5728Spring\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u5f15\u5165cache\u547d\u540d\u7a7a\u95f4\uff0c\u5176\u6b21\u901a\u8fc7<cache:annotation-driven \/>\u5c31\u53ef\u4ee5\u542f\u7528Spring\u5bf9\u57fa\u4e8e\u6ce8\u89e3\u7684Cache\u7684\u652f\u6301\u3002<\/p>\n

<?xml\u00a0version=“1.0”<\/em>\u00a0encoding=“UTF-8”<\/em>?><\/p>\n

<beans\u00a0xmlns=“http:\/\/www.springframework.org\/schema\/beans”<\/em><\/p>\n

xmlns:xsi=“http:\/\/www.w3.org\/2001\/XMLSchema-instance”<\/em><\/p>\n

xmlns:cache=“http:\/\/www.springframework.org\/schema\/cache”<\/em><\/p>\n

xsi:schemaLocation=“http:\/\/www.springframework.org\/schema\/beans<\/em><\/p>\n

\u00a0\u00a0\u00a0\u00a0 http:\/\/www.springframework.org\/schema\/beans\/spring-beans-3.0.xsd<\/em><\/p>\n

\u00a0\u00a0\u00a0\u00a0 http:\/\/www.springframework.org\/schema\/cache<\/em><\/p>\n

\u00a0\u00a0\u00a0\u00a0 http:\/\/www.springframework.org\/schema\/cache\/spring-cache.xsd”<\/em>><\/p>\n

 <\/p>\n

<cache:annotation-driven\/><\/p>\n

 <\/p>\n

<\/beans><\/p>\n

 <\/p>\n

<cache:annotation-driven\/>\u6709\u4e00\u4e2acache-manager\u5c5e\u6027\u7528\u6765\u6307\u5b9a\u5f53\u524d\u6240\u4f7f\u7528\u7684CacheManager\u5bf9\u5e94\u7684bean\u7684\u540d\u79f0\uff0c\u9ed8\u8ba4\u662fcacheManager\uff0c\u6240\u4ee5\u5f53\u6211\u4eec\u7684CacheManager\u7684id\u4e3acacheManager\u65f6\u6211\u4eec\u53ef\u4ee5\u4e0d\u6307\u5b9a\u8be5\u53c2\u6570\uff0c\u5426\u5219\u5c31\u9700\u8981\u6211\u4eec\u6307\u5b9a\u4e86\u3002<\/p>\n

<cache:annotation-driven\/>\u8fd8\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2amode\u5c5e\u6027\uff0c\u53ef\u9009\u503c\u6709proxy\u548caspectj\u3002\u9ed8\u8ba4\u662f\u4f7f\u7528proxy\u3002\u5f53mode\u4e3aproxy\u65f6\uff0c\u53ea\u6709\u7f13\u5b58\u65b9\u6cd5\u5728\u5916\u90e8\u88ab\u8c03\u7528\u7684\u65f6\u5019Spring Cache\u624d\u4f1a\u53d1\u751f\u4f5c\u7528\uff0c\u8fd9\u4e5f\u5c31\u610f\u5473\u7740\u5982\u679c\u4e00\u4e2a\u7f13\u5b58\u65b9\u6cd5\u5728\u5176\u58f0\u660e\u5bf9\u8c61\u5185\u90e8\u88ab\u8c03\u7528\u65f6Spring Cache\u662f\u4e0d\u4f1a\u53d1\u751f\u4f5c\u7528\u7684\u3002\u800cmode\u4e3aaspectj\u65f6\u5c31\u4e0d\u4f1a\u6709\u8fd9\u79cd\u95ee\u9898\u3002\u53e6\u5916\u4f7f\u7528proxy\u65f6\uff0c\u53ea\u6709public\u65b9\u6cd5\u4e0a\u7684@Cacheable\u7b49\u6807\u6ce8\u624d\u4f1a\u8d77\u4f5c\u7528\uff0c\u5982\u679c\u9700\u8981\u975epublic\u65b9\u6cd5\u4e0a\u7684\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u4f7f\u7528Spring Cache\u65f6\u628amode\u8bbe\u7f6e\u4e3aaspectj\u3002<\/p>\n

\u6b64\u5916\uff0c<cache:annotation-driven\/>\u8fd8\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2aproxy-target-class\u5c5e\u6027\uff0c\u8868\u793a\u662f\u5426\u8981\u4ee3\u7406class\uff0c\u9ed8\u8ba4\u4e3afalse\u3002\u6211\u4eec\u524d\u9762\u63d0\u5230\u7684@Cacheable\u3001@cacheEvict\u7b49\u4e5f\u53ef\u4ee5\u6807\u6ce8\u5728\u63a5\u53e3\u4e0a\uff0c\u8fd9\u5bf9\u4e8e\u57fa\u4e8e\u63a5\u53e3\u7684\u4ee3\u7406\u6765\u8bf4\u662f\u6ca1\u6709\u4ec0\u4e48\u95ee\u9898\u7684\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\u5f53\u6211\u4eec\u8bbe\u7f6eproxy-target-class\u4e3atrue\u6216\u8005mode\u4e3aaspectj\u65f6\uff0c\u662f\u76f4\u63a5\u57fa\u4e8eclass\u8fdb\u884c\u64cd\u4f5c\u7684\uff0c\u5b9a\u4e49\u5728\u63a5\u53e3\u4e0a\u7684@Cacheable\u7b49Cache\u6ce8\u89e3\u4e0d\u4f1a\u88ab\u8bc6\u522b\u5230\uff0c\u90a3\u5bf9\u5e94\u7684Spring Cache\u4e5f\u4e0d\u4f1a\u8d77\u4f5c\u7528\u4e86\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f<cache:annotation-driven\/>\u53ea\u4f1a\u53bb\u5bfb\u627e\u5b9a\u4e49\u5728\u540c\u4e00\u4e2aApplicationContext\u4e0b\u7684@Cacheable\u7b49\u7f13\u5b58\u6ce8\u89e3\u3002<\/p>\n

 <\/p>\n

<\/a>2.1.2\u00a0\u00a0\u57fa\u4e8eXML\u914d\u7f6e<\/h3>\n

\u9664\u4e86\u4f7f\u7528\u6ce8\u89e3\u6765\u58f0\u660e\u5bf9Cache\u7684\u652f\u6301\u5916\uff0cSpring\u8fd8\u652f\u6301\u4f7f\u7528XML\u6765\u58f0\u660e\u5bf9Cache\u7684\u652f\u6301\u3002\u8fd9\u4e3b\u8981\u662f\u901a\u8fc7\u7c7b\u4f3c\u4e8eaop:advice\u7684cache:advice\u6765\u8fdb\u884c\u7684\u3002\u5728cache\u547d\u540d\u7a7a\u95f4\u4e0b\u5b9a\u4e49\u4e86\u4e00\u4e2acache:advice\u5143\u7d20\u7528\u6765\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u4e8eCache\u7684advice\u3002\u5176\u9700\u8981\u6307\u5b9a\u4e00\u4e2acache-manager\u5c5e\u6027\uff0c\u9ed8\u8ba4\u4e3acacheManager\u3002cache:advice\u4e0b\u9762\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2acache:caching\u5143\u7d20\uff0c\u5176\u6709\u70b9\u7c7b\u4f3c\u4e8e\u4f7f\u7528\u6ce8\u89e3\u65f6\u7684@Caching\u6ce8\u89e3\u3002cache:caching\u5143\u7d20\u4e0b\u53c8\u53ef\u4ee5\u6307\u5b9acache:cacheable\u3001cache:cache-put\u548ccache:cache-evict\u5143\u7d20\uff0c\u5b83\u4eec\u7c7b\u4f3c\u4e8e\u4f7f\u7528\u6ce8\u89e3\u65f6\u7684@Cacheable\u3001@CachePut\u548c@CacheEvict\u3002\u4e0b\u9762\u6765\u770b\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n

<cache:advice\u00a0id=“cacheAdvice”<\/em>\u00a0cache-manager=“cacheManager”<\/em>><\/p>\n

<cache:caching\u00a0cache=“users”<\/em>><\/p>\n

<cache:cacheable\u00a0method=“findById”<\/em>\u00a0key=“#p0”<\/em>\/><\/p>\n

<cache:cacheable\u00a0method=“find”<\/em>\u00a0key=“#user.id”<\/em>\/><\/p>\n

<cache:cache-evict\u00a0method=“deleteAll”<\/em>\u00a0all-entries=“true”<\/em>\/><\/p>\n

<\/cache:caching><\/p>\n

<\/cache:advice><\/p>\n

 <\/p>\n

\u4e0a\u9762\u914d\u7f6e\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3acacheAdvice\u7684cache:advice\uff0c\u5176\u4e2d\u6307\u5b9a\u4e86\u5c06\u7f13\u5b58findById\u65b9\u6cd5\u548cfind\u65b9\u6cd5\u5230\u540d\u4e3ausers\u7684\u7f13\u5b58\u4e2d\u3002\u8fd9\u91cc\u7684\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u201c*\u201d\uff0c\u6bd4\u5982\u201cfind*\u201d\u8868\u793a\u4efb\u4f55\u4ee5\u201cfind\u201d\u5f00\u59cb\u7684\u65b9\u6cd5\u3002<\/p>\n

\u6709\u4e86cache:advice\u4e4b\u540e\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5f15\u5165aop\u547d\u540d\u7a7a\u95f4\uff0c\u7136\u540e\u901a\u8fc7aop:config\u6307\u5b9a\u5b9a\u4e49\u597d\u7684cacheAdvice\u8981\u5e94\u7528\u5728\u54ea\u4e9bpointcut\u4e0a\u3002\u5982\uff1a<\/p>\n

<aop:config\u00a0proxy-target-class=“false”<\/em>><\/p>\n

<aop:advisor\u00a0advice-ref=“cacheAdvice”<\/em>\u00a0pointcut=“execution(* com.xxx.UserService.*(..))”<\/em>\/><\/p>\n

<\/aop:config><\/p>\n

\u4e0a\u9762\u7684\u914d\u7f6e\u8868\u793a\u5728\u8c03\u7528com.xxx.UserService\u4e2d\u4efb\u610f\u516c\u5171\u65b9\u6cd5\u65f6\u5c06\u4f7f\u7528cacheAdvice\u5bf9\u5e94\u7684cache:advice\u6765\u8fdb\u884cSpring Cache\u5904\u7406\u3002\u66f4\u591a\u5173\u4e8eSpring Aop\u7684\u5185\u5bb9\u4e0d\u5728\u672c\u6587\u8ba8\u8bba\u8303\u7574\u5185\u3002<\/p>\n

 <\/p>\n

<\/a>2.2\u00a0\u00a0\u00a0\u00a0\u00a0\u914d\u7f6eCacheManager<\/h2>\n

CacheManager\u662fSpring\u5b9a\u4e49\u7684\u4e00\u4e2a\u7528\u6765\u7ba1\u7406Cache\u7684\u63a5\u53e3\u3002Spring\u81ea\u8eab\u5df2\u7ecf\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e24\u79cdCacheManager\u7684\u5b9e\u73b0\uff0c\u4e00\u79cd\u662f\u57fa\u4e8eJava API\u7684ConcurrentMap\uff0c\u53e6\u4e00\u79cd\u662f\u57fa\u4e8e\u7b2c\u4e09\u65b9Cache\u5b9e\u73b0\u2014\u2014Ehcache\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u5176\u5b83\u7c7b\u578b\u7684\u7f13\u5b58\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u81ea\u5df1\u6765\u5b9e\u73b0Spring\u7684CacheManager\u63a5\u53e3\u6216AbstractCacheManager\u62bd\u8c61\u7c7b\u3002\u4e0b\u9762\u5206\u522b\u6765\u770b\u770bSpring\u5df2\u7ecf\u4e3a\u6211\u4eec\u5b9e\u73b0\u597d\u4e86\u7684\u4e24\u79cdCacheManager\u7684\u914d\u7f6e\u793a\u4f8b\u3002<\/p>\n

<\/a>2.2.1\u00a0\u00a0\u57fa\u4e8eConcurrentMap\u7684\u914d\u7f6e<\/h3>\n

<bean\u00a0id=“cacheManager”<\/em>\u00a0class=“org.springframework.cache.support.SimpleCacheManager”<\/em>><\/p>\n

<property\u00a0name=“caches”<\/em>><\/p>\n

<set><\/p>\n

<bean\u00a0class=“org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean”\u00a0<\/em>p:name=“xxx”<\/em>\/><\/p>\n

<\/set><\/p>\n

<\/property><\/p>\n

<\/bean><\/p>\n

\u4e0a\u9762\u7684\u914d\u7f6e\u4f7f\u7528\u7684\u662f\u4e00\u4e2aSimpleCacheManager\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u540d\u4e3a\u201cxxx\u201d\u7684ConcurrentMapCache\u3002<\/p>\n

 <\/p>\n

<\/a>2.2.2\u00a0\u00a0\u57fa\u4e8eEhcache\u7684\u914d\u7f6e<\/h3>\n

<!–\u00a0Ehcache\u5b9e\u73b0\u00a0–><\/p>\n

<bean\u00a0id=“cacheManager”<\/em>\u00a0class=“org.springframework.cache.ehcache.EhCacheCacheManager”\u00a0<\/em>p:cache-manager-ref=“ehcacheManager”<\/em>\/><\/p>\n

<bean\u00a0id=“ehcacheManager”<\/em>\u00a0class=“org.springframework.cache.ehcache.EhCacheManagerFactoryBean”\u00a0<\/em>p:config-location=“ehcache-spring.xml”<\/em>\/><\/p>\n

\u4e0a\u9762\u7684\u914d\u7f6e\u4f7f\u7528\u4e86\u4e00\u4e2aSpring\u63d0\u4f9b\u7684EhCacheCacheManager\u6765\u751f\u6210\u4e00\u4e2aSpring\u7684CacheManager\uff0c\u5176\u63a5\u6536\u4e00\u4e2aEhcache\u7684CacheManager\uff0c\u56e0\u4e3a\u771f\u6b63\u7528\u6765\u5b58\u5165\u7f13\u5b58\u6570\u636e\u7684\u8fd8\u662fEhcache\u3002Ehcache\u7684CacheManager\u662f\u901a\u8fc7Spring\u63d0\u4f9b\u7684EhCacheManagerFactoryBean\u6765\u751f\u6210\u7684\uff0c\u5176\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9aehcache\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u7f6e\u6765\u751f\u6210\u4e00\u4e2aEhcache\u7684CacheManager\u3002\u82e5\u672a\u6307\u5b9a\u5219\u5c06\u6309\u7167Ehcache\u7684\u9ed8\u8ba4\u89c4\u5219\u53d6classpath\u6839\u8def\u5f84\u4e0b\u7684ehcache.xml\u6587\u4ef6\uff0c\u82e5\u8be5\u6587\u4ef6\u4e5f\u4e0d\u5b58\u5728\uff0c\u5219\u83b7\u53d6Ehcache\u5bf9\u5e94jar\u5305\u4e2d\u7684ehcache-failsafe.xml\u6587\u4ef6\u4f5c\u4e3a\u914d\u7f6e\u6587\u4ef6\u3002\u66f4\u591a\u5173\u4e8eEhcache\u7684\u5185\u5bb9\u8fd9\u91cc\u5c31\u4e0d\u591a\u8bf4\u4e86\uff0c\u5b83\u4e0d\u5c5e\u4e8e\u672c\u6587\u8ba8\u8bba\u7684\u5185\u5bb9\uff0c\u6b32\u4e86\u89e3\u66f4\u591a\u5173\u4e8eEhcache\u7684\u5185\u5bb9\u53ef\u4ee5\u53c2\u8003\u6211\u4e4b\u524d\u53d1\u5e03\u7684Ehcache\u7cfb\u5217\u6587\u7ae0\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003\u5b98\u65b9\u6587\u6863\u7b49\u3002<\/p>\n

 <\/p>\n

<\/a>3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u952e\u7684\u751f\u6210\u7b56\u7565<\/h1>\n

\u952e\u7684\u751f\u6210\u7b56\u7565\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u9ed8\u8ba4\u7b56\u7565\uff0c\u4e00\u79cd\u662f\u81ea\u5b9a\u4e49\u7b56\u7565\u3002<\/p>\n

<\/a>3.1\u00a0\u00a0\u00a0\u00a0\u00a0\u9ed8\u8ba4\u7b56\u7565<\/h2>\n

\u9ed8\u8ba4\u7684key\u751f\u6210\u7b56\u7565\u662f\u901a\u8fc7KeyGenerator\u751f\u6210\u7684\uff0c\u5176\u9ed8\u8ba4\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n

n\u00a0\u00a0\u5982\u679c\u65b9\u6cd5\u6ca1\u6709\u53c2\u6570\uff0c\u5219\u4f7f\u75280\u4f5c\u4e3akey\u3002<\/p>\n

n\u00a0\u00a0\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\u7684\u8bdd\u5219\u4f7f\u7528\u8be5\u53c2\u6570\u4f5c\u4e3akey\u3002<\/p>\n

n\u00a0\u00a0\u5982\u679c\u53c2\u6570\u591a\u4f59\u4e00\u4e2a\u7684\u8bdd\u5219\u4f7f\u7528\u6240\u6709\u53c2\u6570\u7684hashCode\u4f5c\u4e3akey\u3002<\/p>\n

 <\/p>\n

\u5982\u679c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u81ea\u5df1\u7684\u9ed8\u8ba4\u7b56\u7565\u7684\u8bdd\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u81ea\u5df1\u7684KeyGenerator\uff0c\u7136\u540e\u6307\u5b9a\u6211\u4eec\u7684Spring Cache\u4f7f\u7528\u7684KeyGenerator\u4e3a\u6211\u4eec\u81ea\u5df1\u5b9a\u4e49\u7684KeyGenerator\u3002<\/p>\n

\u4f7f\u7528\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\u65f6\u662f\u901a\u8fc7cache:annotation-driven\u6307\u5b9a\u7684.<\/p>\n

<cache:annotation-driven\u00a0key-generator=“userKeyGenerator”<\/em>\/><\/p>\n

 <\/p>\n

<bean\u00a0id=“userKeyGenerator”<\/em>\u00a0class=“com.xxx.cache.UserKeyGenerator”<\/em>\/><\/p>\n

 <\/p>\n

\u800c\u4f7f\u7528\u57fa\u4e8eXML\u914d\u7f6e\u65f6\u662f\u901a\u8fc7cache:advice\u6765\u6307\u5b9a\u7684\u3002<\/p>\n

<cache:advice\u00a0id=“cacheAdvice”<\/em>\u00a0cache-manager=“cacheManager”<\/em>\u00a0key-generator=“userKeyGenerator”<\/em>><\/p>\n

<\/cache:advice><\/p>\n

 <\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\u6b64\u65f6\u6211\u4eec\u6240\u6709\u7684Cache\u4f7f\u7528\u7684Key\u7684\u9ed8\u8ba4\u751f\u6210\u7b56\u7565\u90fd\u662f\u540c\u4e00\u4e2aKeyGenerator\u3002<\/p>\n

<\/a>3.2\u00a0\u00a0\u00a0\u00a0\u00a0\u81ea\u5b9a\u4e49\u7b56\u7565<\/h2>\n

\u81ea\u5b9a\u4e49\u7b56\u7565\u662f\u6307\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Spring\u7684EL\u8868\u8fbe\u5f0f\u6765\u6307\u5b9a\u6211\u4eec\u7684key\u3002\u8fd9\u91cc\u7684EL\u8868\u8fbe\u5f0f\u53ef\u4ee5\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u53ca\u5b83\u4eec\u5bf9\u5e94\u7684\u5c5e\u6027\u3002\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u65f6\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u201c#\u53c2\u6570\u540d\u201d\u6216\u8005\u201c#p\u53c2\u6570index\u201d\u3002\u4e0b\u9762\u662f\u51e0\u4e2a\u4f7f\u7528\u53c2\u6570\u4f5c\u4e3akey\u7684\u793a\u4f8b\u3002<\/p>\n

@Cacheable(value=”users”, key=”#id”)<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable(value=”users”, key=”#p0″)<\/p>\n

public\u00a0User find(Integer id) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

 <\/p>\n

@Cacheable(value=”users”, key=”#user.id”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

@Cacheable(value=”users”, key=”#p0.id”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

\u9664\u4e86\u4e0a\u8ff0\u4f7f\u7528\u65b9\u6cd5\u53c2\u6570\u4f5c\u4e3akey\u4e4b\u5916\uff0cSpring\u8fd8\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u4e2aroot\u5bf9\u8c61\u53ef\u4ee5\u7528\u6765\u751f\u6210key\u3002\u901a\u8fc7\u8be5root\u5bf9\u8c61\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u4ee5\u4e0b\u4fe1\u606f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u5c5e\u6027\u540d\u79f0<\/td>\n\u63cf\u8ff0<\/td>\n\u793a\u4f8b<\/td>\n<\/tr>\n
methodName<\/td>\n\u5f53\u524d\u65b9\u6cd5\u540d<\/td>\n#root.methodName<\/td>\n<\/tr>\n
method<\/td>\n\u5f53\u524d\u65b9\u6cd5<\/td>\n#root.method.name<\/td>\n<\/tr>\n
target<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u5bf9\u8c61<\/td>\n#root.target<\/td>\n<\/tr>\n
targetClass<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u5bf9\u8c61\u7684class<\/td>\n#root.targetClass<\/td>\n<\/tr>\n
args<\/td>\n\u5f53\u524d\u65b9\u6cd5\u53c2\u6570\u7ec4\u6210\u7684\u6570\u7ec4<\/td>\n#root.args[0]<\/td>\n<\/tr>\n
caches<\/td>\n\u5f53\u524d\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\u4f7f\u7528\u7684Cache<\/td>\n#root.caches[0].name<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u5f53\u6211\u4eec\u8981\u4f7f\u7528root\u5bf9\u8c61\u7684\u5c5e\u6027\u4f5c\u4e3akey\u65f6\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06\u201c#root\u201d\u7701\u7565\uff0c\u56e0\u4e3aSpring\u9ed8\u8ba4\u4f7f\u7528\u7684\u5c31\u662froot\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u5982\uff1a<\/p>\n

@Cacheable(value={“users”,\u00a0“xxx”}, key=”caches[1].name”)<\/p>\n

public\u00a0User find(User user) {<\/p>\n

returnnull;<\/p>\n

}<\/p>\n

<\/a>4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Spring\u5355\u72ec\u4f7f\u7528Ehcache<\/h1>\n

\u524d\u9762\u4ecb\u7ecd\u7684\u5185\u5bb9\u662fSpring\u5185\u7f6e\u7684\u5bf9Cache\u7684\u652f\u6301\uff0c\u5176\u5b9e\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7Spring\u81ea\u5df1\u5355\u72ec\u7684\u4f7f\u7528Ehcache\u7684CacheManager\u6216Ehcache\u5bf9\u8c61\u3002\u901a\u8fc7\u5728Application Context\u4e2d\u914d\u7f6eEhCacheManagerFactoryBean\u548cEhCacheFactoryBean\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u5bf9\u5e94\u7684EhCache\u7684CacheManager\u548cEhcache\u5bf9\u8c61\u6ce8\u5165\u5230\u5176\u5b83\u7684Spring bean\u5bf9\u8c61\u4e2d\u8fdb\u884c\u4f7f\u7528\u3002<\/p>\n

 <\/p>\n

<\/a>4.1\u00a0\u00a0\u00a0\u00a0\u00a0EhCacheManagerFactoryBean<\/h2>\n

EhCacheManagerFactoryBean\u662fSpring\u5185\u7f6e\u7684\u4e00\u4e2a\u53ef\u4ee5\u4ea7\u751fEhcache\u7684CacheManager\u5bf9\u8c61\u7684FactoryBean\u3002\u5176\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027configLocation\u6307\u5b9a\u7528\u4e8e\u521b\u5efaCacheManager\u7684Ehcache\u914d\u7f6e\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u901a\u5e38\u662fehcache.xml\u6587\u4ef6\u7684\u8def\u5f84\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9aconfigLocation\uff0c\u5219\u5c06\u4f7f\u7528\u9ed8\u8ba4\u4f4d\u7f6e\u7684\u914d\u7f6e\u6587\u4ef6\u521b\u5efaCacheManager\uff0c\u8fd9\u662f\u5c5e\u4e8eEhcache\u81ea\u8eab\u7684\u903b\u8f91\uff0c\u5373\u5982\u679c\u5728classpath\u6839\u8def\u5f84\u4e0b\u5b58\u5728ehcache.xml\u6587\u4ef6\uff0c\u5219\u76f4\u63a5\u4f7f\u7528\u8be5\u6587\u4ef6\u4f5c\u4e3aEhcache\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5426\u5219\u5c06\u4f7f\u7528ehcache-xxx.jar\u4e2d\u7684ehcache-failsafe.xml\u6587\u4ef6\u4f5c\u4e3a\u914d\u7f6e\u6587\u4ef6\u6765\u521b\u5efaEhcache\u7684CacheManager\u3002\u6b64\u5916\uff0c\u5982\u679c\u4e0d\u5e0c\u671b\u521b\u5efa\u7684CacheManager\u4f7f\u7528\u9ed8\u8ba4\u7684\u540d\u79f0\uff08\u5728ehcache.xml\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\uff0c\u6216\u8005\u662f\u7531CacheManager\u5185\u90e8\u5b9a\u4e49\u7684\uff09\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7cacheManagerName\u5c5e\u6027\u8fdb\u884c\u6307\u5b9a\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u914d\u7f6eEhCacheManagerFactoryBean\u7684\u793a\u4f8b\u3002<\/p>\n

<!–\u00a0\u5b9a\u4e49CacheManager –><\/p>\n

<bean\u00a0id=“cacheManager”<\/em>\u00a0class=“org.springframework.cache.ehcache.EhCacheManagerFactoryBean”<\/em>><\/p>\n

<!–\u00a0\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u4f4d\u7f6e\u00a0–><\/p>\n

<property\u00a0name=“configLocation”<\/em>\u00a0value=“\/WEB-INF\/config\/ehcache.xml”<\/em>\/><\/p>\n

<!–\u00a0\u6307\u5b9a\u65b0\u5efa\u7684CacheManager\u7684\u540d\u79f0\u00a0–><\/p>\n

<property\u00a0name=“cacheManagerName”<\/em>\u00a0value=“cacheManagerName”<\/em>\/><\/p>\n

<\/bean><\/p>\n

<\/a>4.2\u00a0\u00a0\u00a0\u00a0\u00a0EhCacheFactoryBean<\/h2>\n

EhCacheFactoryBean\u662f\u7528\u6765\u4ea7\u751fEhcache\u7684Ehcache\u5bf9\u8c61\u7684FactoryBean\u3002\u5b9a\u4e49EhcacheFactoryBean\u65f6\u6709\u4e24\u4e2a\u5f88\u91cd\u8981\u7684\u5c5e\u6027\u6211\u4eec\u53ef\u4ee5\u6765\u6307\u5b9a\u3002\u4e00\u4e2a\u662fcacheManager\u5c5e\u6027\uff0c\u5176\u53ef\u4ee5\u6307\u5b9a\u5c06\u7528\u6765\u83b7\u53d6\u6216\u521b\u5efaEhcache\u7684CacheManager\u5bf9\u8c61\uff0c\u82e5\u672a\u6307\u5b9a\u5219\u5c06\u901a\u8fc7CacheManager.create()\u83b7\u53d6\u6216\u521b\u5efa\u9ed8\u8ba4\u7684CacheManager\u3002\u53e6\u4e00\u4e2a\u91cd\u8981\u5c5e\u6027\u662fcacheName\uff0c\u5176\u8868\u793a\u5f53\u524dEhCacheFactoryBean\u5bf9\u5e94\u7684\u662fCacheManager\u4e2d\u7684\u54ea\u4e00\u4e2aEhcache\u5bf9\u8c61\uff0c\u82e5\u672a\u6307\u5b9a\u9ed8\u8ba4\u4f7f\u7528beanName\u4f5c\u4e3acacheName\u3002\u82e5CacheManager\u4e2d\u4e0d\u5b58\u5728\u5bf9\u5e94cacheName\u7684Ehcache\u5bf9\u8c61\uff0c\u5219\u5c06\u4f7f\u7528CacheManager\u521b\u5efa\u4e00\u4e2a\u540d\u4e3acacheName\u7684Cache\u5bf9\u8c61\u3002\u6b64\u5916\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7EhCacheFactoryBean\u7684timeToIdle\u3001timeToLive\u7b49\u5c5e\u6027\u6307\u5b9a\u8981\u521b\u5efa\u7684Cache\u7684\u5bf9\u5e94\u5c5e\u6027\uff0c\u6ce8\u610f\u8fd9\u4e9b\u5c5e\u6027\u53ea\u5bf9CacheManager\u4e2d\u4e0d\u5b58\u5728\u5bf9\u5e94Cache\u65f6\u65b0\u5efa\u7684Cache\u624d\u8d77\u4f5c\u7528\uff0c\u5bf9\u5df2\u7ecf\u5b58\u5728\u7684Cache\u5c06\u4e0d\u8d77\u4f5c\u7528\uff0c\u66f4\u591a\u5c5e\u6027\u8bbe\u7f6e\u8bf7\u53c2\u8003Spring\u7684API\u6587\u6863\u3002\u6b64\u5916\u8fd8\u6709\u51e0\u4e2a\u5c5e\u6027\u662f\u5bf9\u4e0d\u7ba1\u662f\u5df2\u7ecf\u5b58\u5728\u8fd8\u662f\u65b0\u521b\u5efa\u7684Cache\u90fd\u8d77\u4f5c\u7528\u7684\u5c5e\u6027\uff1astatisticsEnabled\u3001sampledStatisticsEnabled\u3001disabled\u3001blocking\u548ccacheEventListeners\uff0c\u5176\u4e2d\u524d\u56db\u4e2a\u9ed8\u8ba4\u90fd\u662ffalse\uff0c\u6700\u540e\u4e00\u4e2a\u8868\u793a\u4e3a\u5f53\u524dCache\u6307\u5b9aCacheEventListener\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5b9a\u4e49EhCacheFactoryBean\u7684\u793a\u4f8b\u3002<\/p>\n

<!–\u00a0\u5b9a\u4e49CacheManager –><\/p>\n

<bean\u00a0id=“cacheManager”<\/em>\u00a0class=“org.springframework.cache.ehcache.EhCacheManagerFactoryBean”<\/em>><\/p>\n

<!–\u00a0\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u4f4d\u7f6e\u00a0–><\/p>\n

<property\u00a0name=“configLocation”<\/em>\u00a0value=“\/WEB-INF\/config\/ehcache.xml”<\/em>\/><\/p>\n

<!–\u00a0\u6307\u5b9a\u65b0\u5efa\u7684CacheManager\u7684\u540d\u79f0\u00a0–><\/p>\n

<property\u00a0name=“cacheManagerName”<\/em>\u00a0value=“cacheManagerName”<\/em>\/><\/p>\n

<\/bean><\/p>\n

<!–\u00a0\u5b9a\u4e49\u4e00\u4e2aEhcache\u00a0–><\/p>\n

<bean\u00a0id=“userCache”<\/em>\u00a0class=“org.springframework.cache.ehcache.EhCacheFactoryBean”<\/em>><\/p>\n

<property\u00a0name=“cacheName”<\/em>\u00a0value=“user”<\/em>\/><\/p>\n

<property\u00a0name=“cacheManager”<\/em>\u00a0ref=“cacheManager”<\/em>\/><\/p>\n

<\/bean><\/p>\n

\u4ece3.1\u5f00\u59cb\uff0cSpring\u5f15\u5165\u4e86\u5bf9Cache\u7684\u652f\u6301\u3002\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u539f\u7406\u90fd\u7c7b\u4f3c\u4e8eSpring\u5bf9\u4e8b\u52a1\u7ba1\u7406\u7684\u652f\u6301\u3002Sp […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-3717","post","type-post","status-publish","format-standard","hentry","category-day"],"_links":{"self":[{"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/posts\/3717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3717"}],"version-history":[{"count":1,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/posts\/3717\/revisions"}],"predecessor-version":[{"id":3718,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=\/wp\/v2\/posts\/3717\/revisions\/3718"}],"wp:attachment":[{"href":"http:\/\/switch.linesno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3717"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/switch.linesno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}