{"id":192,"date":"2007-07-31T18:16:24","date_gmt":"2007-07-31T10:16:24","guid":{"rendered":"https:\/\/lifeparty.idv.tw\/blog\/archives\/192"},"modified":"2007-08-02T11:12:16","modified_gmt":"2007-08-02T03:12:16","slug":"%e6%b0%b8%e7%ba%8c%e7%89%a9%e4%bb%b6%e6%9f%a5%e8%a9%a2%e4%b9%8b%e8%a8%ad%e8%a8%88%ef%bc%88%e5%85%b6%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/lifeparty.idv.tw\/blog\/archives\/192","title":{"rendered":"\u6c38\u7e8c\u7269\u4ef6\u67e5\u8a62\u4e4b\u8a2d\u8a08\uff08\u5176\u4e00\uff09"},"content":{"rendered":"

\u8981\u6709\u6548\u7387\u5730\u8655\u7406\u8cc7\u8a0a\u7cfb\u7d71<\/a>\u7684\u8cc7\u6599<\/a>\u5b58\u53d6\uff0c\u61c9\u7528\u7cfb\u7d71\u7684\u5be6\u4f5c\u901a\u5e38\u90fd\u6703\u9700\u8981\u6574\u5408\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab<\/a>\u3002\u56e0\u6b64\uff0c\u5728\u61c9\u7528\u7cfb\u7d71\u4e4b\u8edf\u9ad4\u7684\u8a2d\u8a08<\/a>\u65b9\u9762\uff0c\u9664\u4e86\u696d\u52d9\u4e0a\u7684\u7a0b\u5f0f\u908f\u8f2f\u4e0a\uff0c\u4e5f\u5fc5\u9808\u8003\u91cf\u5728\u7cfb\u7d71\u9762\u4e0a\u8207\u8cc7\u6599\u5eab\u6280\u8853\u7684\u6574\u5408\u3002\u800c\u5728\u5be6\u52d9\u4e0a\uff0c\u70ba\u4e86\u8b93\u8a2d\u8a08\u5118\u91cf\u7c21\u55ae\u53ca\u55ae\u7d14\uff0c\u907f\u514d\u696d\u52d9\u9762\u9700\u6c42\u8207\u7cfb\u7d71\u9762\u6280\u8853\u5c0d\u8edf\u9ad4\u529f\u80fd\u8207\u54c1\u8cea\u7522\u751f\u8907\u96dc\u7684\u4ea4\u4e92\u4f5c\u7528\u3002\u4e00\u822c\u800c\u8a00\uff0c\u6703\u8b93\u696d\u52d9\u908f\u8f2f\u7684\u62bd\u8c61\u6982\u5ff5<\/a>\u8207\u8cc7\u6599\u5eab\u7684\u5be6\u4f5c<\/a>\u5206\u9694\u958b\u4f86\u3002\u5982\u6b64\uff0c\u6c38\u7e8c<\/a>\u5c64\u7684\u62bd\u8c61\u6982\u5ff5\u4fbf\u61c9\u904b\u800c\u751f\uff0c\u4e0b\u5716\u4fbf\u662f\u57fa\u65bc\u6b64\u8a2d\u8a08\u60f3\u6cd5\uff0c\u6240\u767c\u5c55\u51fa\u4f86\u7684\u8a2d\u8a08\u67b6\u69cb<\/a>\u3002<\/p>\n

\"persistent.PNG\"<\/p>\n

\u9019\u500b\u8a2d\u8a08\u67b6\u69cb\u5c07\u61c9\u7528\u7cfb\u7d71\u5206\u6210\u56db\u500b\u908f\u8f2f\u6982\u5ff5\u5c64<\/a>\uff0c\u5305\u62ec\u670d\u52d9\u5c64\uff08ServiceLayer\uff09\u3001\u696d\u52d9\u5c64\uff08BusinessLayer\uff09\u3001\u6c38\u7e8c\u5c64\uff08PersistentLayer\uff09\u53ca\u6c38\u7e8c\u6846\u67b6\uff08PersistentFramework\uff09\u3002\u670d\u52d9\u5c64\u8ca0\u8cac\u63a5\u53d7\u5916\u754c\u547c\u53eb\u8005\u7684\u547c\u53eb\u8981\u6c42\uff0c\u696d\u52d9\u5c64\u5247\u8ca0\u8cac\u4f9d\u64da\u696d\u52d9\u908f\u8f2f\u4f86\u8655\u7406\u5916\u754c\u7684\u547c\u53eb\u9700\u6c42\uff0c\u800c\u6c38\u7e8c\u5c64\u5247\u8ca0\u8cac\u8655\u7406\u5c07\u7269\u4ef6\u5132\u5b58\u81f3\u6c38\u4e45\u5132\u5b58\u5a92\u9ad4\uff08\u901a\u5e38\u70ba\u8cc7\u6599\u5eab\uff09\uff0c\u4e26\u547c\u53eb\u6c38\u7e8c\u6846\u67b6\u9054\u6210\u8cc7\u6599\u5b58\u53d6\u7684\u529f\u80fd\u3002<\/p>\n

\u9019\u6a23\u5229\u7528\u5206\u5c64\u8ca0\u8cac\u7684\u6982\u5ff5<\/a>\uff0c\u8b93\u8edf\u9ad4\u958b\u767c\u7684\u5de5\u4f5c\u8b8a\u5f97\u7c21\u6f54\u800c\u6709\u6548\u7387\u3002\u4e0d\u904e\uff0c\u5728\u8a2d\u8a08\u4e0a\u8981\u7279\u5225\u6ce8\u610f\uff0c\u5c0d\u65bc BizDataAccessor \u754c\u9762\u800c\u8a00\uff0c\u5176 method \u7c3d\u7ae0\u4e0d\u53ef\u4ee5\u8207\u6240\u4f7f\u7528\u7684\u6c38\u7e8c\u6846\u67b6\u7522\u751f\u76f8\u4f9d\u6027\uff0c\u5426\u5247\u5c31\u6c92\u8fa6\u6cd5\u9054\u5230\u8a2d\u8a08\u6982\u5ff5\u8207\u5be6\u4f5c\u7d30\u7bc0\u5206\u958b\u7684\u7406\u60f3\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4f7f\u7528 Hibernate<\/a> \u7684\u6c38\u7e8c\u6846\u67b6\uff0cBizDataAccessor \u7684 method<\/a> \u4e2d\uff0c\u5c31\u4e0d\u61c9\u8a72\u7528 Hibernate \u7684 Session<\/a> \u6216 Criteria<\/a> \u4f86\u7576\u505a\u53c3\u6578\u6216\u50b3\u56de\u503c\u3002\u5426\u5247\uff0c\u4e00\u65e6\u6539\u7528\u5176\u5b83\u7684\u6c38\u7e8c\u6846\u67b6\uff0cBizServiceImpl \u5c07\u6703\u53d7\u5230\u5f71\u97ff\u800c\u5fc5\u9808\u6539\u5beb\uff0c\u800c\u7834\u58de\u8a2d\u8a08\u7684\u826f\u597d\u7d50\u69cb\u3002<\/p>\n

\u63db\u53e5\u8a71\u8aaa\uff0cBizDataAccessor\u00a0\u4e4b method \u53c3\u6578\u8207\u50b3\u56de\u503c\u578b\u614b\uff0c\u61c9\u8a72\u4e0d\u80fd\u53c3\u7167\u5230\u6c38\u7e8c\u6846\u67b6\u6240\u7279\u6709\u7684\u985e\u5225\uff0c\u50cf Hibernate \u7684\u7269\u4ef6\u67e5\u8a62\u8a9e\u8a00\uff08HQL\uff09\u6216\u689d\u4ef6\u5f0f\u67e5\u8a62\uff08Criteria\uff09\u90fd\u662f\u4e0d\u80fd\u4f7f\u7528\u7684\u3002<\/p>\n

\u7136\u800c\uff0c\u5be6\u52d9\u4e0a\uff0cBizDataAccessor \u7684\u547c\u53eb\u8005\u537b\u5f88\u53ef\u80fd\u9700\u8981\u7528\u4e00\u81f4\u7684\u8868\u793a\u65b9\u5f0f\u4f86\u4ee3\u8868\u5404\u7a2e\u4e0d\u540c\u67e5\u8a62\u689d\u4ef6\u3002\u8209\u4e00\u500b\u6700\u7c21\u55ae\u7684\u4f8b\u5b50\u4f86\u8aaa\uff0c\u4f7f\u7528\u8005\u53ef\u80fd\u5e0c\u671b\u5728\u524d\u7aef\u52fe\u9078\u4e0d\u540c\u7684\u6b04\u4f4d\u4f86\u7d44\u6210\u67e5\u8a62\u689d\u4ef6\uff0c\u7cfb\u7d71\u5c31\u80fd\u4f9d\u4ed6\u6240\u9078\u64c7\u7684\u689d\u4ef6\u67e5\u51fa\u7b26\u5408\u67e5\u8a62\u689d\u4ef6\u7684\u8cc7\u6599\u3002\u4f46\u8981\u8a2d\u8a08\u51fa\u80fd\u6eff\u8db3\u6b64\u9700\u6c42\u7684\u529f\u80fd\uff0c\u5728 BizDataAccessorImpl \u7684\u5be6\u4f5c\u4e0a\u5c07\u6703\u9762\u81e8\u5230\u5169\u5927\u96e3\u984c\u3002<\/p>\n

\u9996\u5148\uff0c\u5982\u524d\u6240\u8ff0\uff0cHibernate \u73fe\u6210\u7684 HQL \u6216 Criteria \u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\uff1b\u5176\u6b21\uff0c\u5c31\u7b97\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b83\u5011\uff0c\u5c0d\u65bc\u4f7f\u7528\u8005\u672a\u52fe\u9078\u7684\u6b04\u4f4d\uff0c\u7d44\u6210\u5982 \u201dwhere selected_attribute = checkValue and not_selected_attribute = null\u201d\u7684\u689d\u4ef6\u8868\u793a\u5f0f\u61c9\u8a72\u662f\u6709\u554f\u984c\u7684\uff0c\u61c9\u8a72\u7d44\u6210\u7684\u689d\u4ef6\u5f0f\u7406\u61c9\u50cf\u201dwhere selected_attribute = checkValue\u201d\u624d\u5c0d\uff0c\u4f46\u4e0d\u7ba1\u7528 HQL \u6216 Criteria \u90fd\u7121\u6cd5\u76f4\u63a5\u505a\u5230\u9019\u500b\u529f\u80fd\u3002<\/p>\n

\u6240\u4ee5\uff0c\u5178\u578b\u7684\u505a\u6cd5\u6703\u8b8a\u6210\u628a\u7d44\u6210\u689d\u4ef6\u5f0f\u8a9e\u6cd5\u7684\u908f\u8f2f\uff0c\u8b8a\u6210 BizDataAccessorImpl \u4e2d\u7684\u4e00\u9023\u4e32\u7684 if \u654d\u8ff0\u4e2d\uff0c\u9019\u7a2e\u505a\u6cd5\u76f8\u7576\u7684 dirty \u4e14 ugly\uff0c\u800c\u4e14\u689d\u4ef6\u908f\u8f2f\u4e00\u65e6\u8b8a\u8907\u96dc\uff0c\u9084\u5f88\u5bb9\u6613\u51fa\u932f\uff0c\u90a3\u600e\u9ebc\u5462\uff1f\u540c\u4eba\u9858\u610f\u5728\u6b64\u5206\u4eab\u6211\u5728\u5be6\u52d9\u4e0a\u7684\u8a2d\u8a08\u53ca\u5be6\u4f5c\u5fc3\u5f97\uff0c\u4f9b\u5927\u5bb6\u53c3\u8003\u3002
\n<\/p>\n

\u5176\u5be6\u4e0d\u7ba1\u6211\u5011\u7528\u90a3\u7a2e\u6c38\u7e8c\u6846\u67b6\uff0c\u6211\u5011\u90fd\u5fc5\u9808\u7528\u901a\u7528\u7684\u8868\u793a\u5f0f\u4f86\u63cf\u8ff0\u67e5\u8a62\u689d\u4ef6\u8868\u793a\u5f0f\uff0c\u7136\u5f8c\u518d\u8f49\u63db\u6210\u7279\u5b9a\u7684\u6c38\u7e8c\u6846\u67b6\u7684\u67e5\u8a62\u5be6\u4f5c\u65b9\u5f0f\u3002\u6240\u4ee5\u6211\u5011\u628a\u7269\u4ef6\u67e5\u8a62\u689d\u4ef6\u8868\u793a\u5f0f\u8996\u505a\u4e00\u500b\u901a\u7528\u7684 class\uff0c\u4e26\u5c07\u4e4b\u547d\u540d\u70ba QueryCriteria\u3002<\/p>\n

\u6b64\u8209\u4e26\u975e\u610f\u5473\u8457\u6211\u5011\u8981\u81ea\u5df1\u9020\u8f2a\u5b50\uff0c\u7528 QueryCriteria \u53d6\u4ee3 Hibernate \u7684 HQL \u6216 Criteria\uff0c\u800c\u662f\u8981\u5efa\u7acb\u4e00\u500b\u5171\u901a\u7684\u8868\u8ff0\u65b9\u5f0f\uff0c\u8b93\u4f7f\u7528\u4e0d\u540c\u7684\u6c38\u7e8c\u6846\u67b6\u90fd\u80fd\u63a1\u7528\u4e00\u81f4\u7684\u4f5c\u6cd5\u4f86\u6eff\u8db3\u9700\u6c42\u3002\u6211\u5011\u7684\u76ee\u7684\u662f\u5229\u7528\u6c38\u7e8c\u6846\u67b6\uff0c\u4f46\u537b\u4e0d\u53d7\u7279\u5b9a\u7684\u6846\u67b6\u6240\u9650\u5236\u3002\u6240\u4ee5\uff0c\u5728\u5e95\u5c64\u7684\u5be6\u4f5c\u4e0a\uff0c\u9084\u662f\u9700\u8981\u7528\u5230\u6c38\u7e8c\u6846\u67b6\u7279\u6709\u7684\u65b9\u5f0f\u4f86\u5be6\u4f5c\u7269\u4ef6\u67e5\u8a62\u7684\u3002<\/p>\n

\u7528 QueryCriteria \u5c01\u88dd<\/a>\u67e5\u8a62\u689d\u4ef6\u7684\u4e3b\u610f\u770b\u8d77\u4f86\u9084\u4e0d\u932f\uff0c\u9019\u6a23\u4e00\u4f86\uff0c\u547c\u53eb BizDataAccessor \u7684\u904e\u7a0b\uff0c\u5927\u6982\u6703\u50cf\u9019\u6a23\uff1a<\/p>\n


\nBizDataAccessor dao;
\nBizObject bo;
\nExpressionContext context;
\n…
\ncontext.setValue(“sexParm”, “male”);
\nList boList = dao.find(
\n\u3000QueryCriteria.from(BizObject.class).
\n\u3000\u3000where(Relation.and()
\n\u3000\u3000\u3000.add(ComparisonExpression.like(
\n\u3000\u3000\u3000\u3000new PropertyExpression(“name”),
\n\u3000\u3000\u3000\u3000ConstantExpression.getString(“abc%”)))
\n\u3000\u3000\u3000.add(ComparisonExpression.eq(
\n\u3000\u3000\u3000\u3000new PropertyExpression.property(“sex”),
\n\u3000\u3000\u3000\u3000new ParameterExpression(“sexParm”))),
\n\u3000\u3000context));
\nIterator itr = boList.iterator();
\nwhile(itr.haveNext()) {
\n\u3000bo = itr.next();
\n\u3000\/\/ processing bo
\n\u3000…
\n}
\n<\/coolcode>
\n\u9019\u6bb5\u7a0b\u5f0f\u78bc\u7684\u8a9e\u610f\uff0c\u662f\u8981\u67e5\u8a62\u51fa BizObject \u4e2d\uff0c\u7b26\u5408 name \u5c6c\u6027\u524d\u4e09\u78bc\u70ba abc\uff0c\u4e14 sex \u5c6c\u6027\u70ba male \u7684\u7269\u4ef6\u5be6\u4f8b\u3002\u6211\u5011\u5728 QueryCriteria \u4e2d\u7684 where \u689d\u4ef6\u5f0f\u4e2d\u5efa\u7acb\u6a39\u72c0\u8a9e\u6cd5\u7d50\u69cb QueryExpression\uff0c\u7528\u904b\u7b97\u8868\u793a\u5f0f\u7684\u65b9\u5f0f\u8868\u9054\u51fa\u901a\u7528\u7684\u67e5\u8a62\u689d\u4ef6\uff0c\u4e26\u53ef\u4f9d\u64da ExpressionContext \u8a9e\u5883\u7684\u5167\u5bb9\uff0c\u7522\u751f\u51fa\u4e0d\u4e00\u6a23\u7684\u67e5\u8a62\u689d\u4ef6\u3002\u4f8b\u5982\uff0c\u5728\u9019\u6bb5\u7a0b\u5f0f\u4e2d\uff0c\u5982\u679c sexParm \u7684\u503c\u662f\u8a2d\u70ba female\uff0c\u5247\u6240\u7522\u751f\u7684\u67e5\u8a62\u689d\u4ef6\u5f0f\u5c07\u6703\u8b8a\u6210\u627e\u51fa\u7b26\u5408 name \u5c6c\u6027\u524d\u4e09\u78bc\u70ba abc\uff0c\u4e14 sex \u5c6c\u6027\u70ba female \u7684\u7269\u4ef6\u5be6\u4f8b\u3002<\/p>\n

\u90a3\u9ebc\uff0c\u5f8c\u7aef\u7684 BizDataAccessorImpl \u8981\u5982\u4f55\u5be6\u4f5c\u5462\uff1f\u56e0\u70ba\uff0cQueryCriteria \u662f\u7531\u67e5\u8a62\u547c\u53eb\u7aef\u5efa\u7acb\u4e26\u50b3\u5165\u7684\uff0c\u6240\u4ee5\uff0c\u4e0d\u7ba1\u5f8c\u7aef\u5982\u4f55\u5be6\u4f5c\u67e5\u8a62\u7684\u529f\u80fd\uff0c\u5176\u547c\u53eb\u754c\u9762\u90fd\u61c9\u8a72\u662f\u4e00\u81f4\u7684\u3002\u7576 BizDataAccessorImpl \u5728\u6536\u5230 QueryCriteria \u4e4b\u5f8c\uff0c\u5fc5\u9808\u8981\u4f9d\u7167\u5171\u901a\u7684\u67e5\u8a62\u689d\u4ef6\u8868\u793a\u65b9\u5f0f\uff0c\u8f49\u63db\u6210\u7279\u5b9a\u7684\u6c38\u7e8c\u6846\u67b6\u5be6\u4f5c\u3002\u9019\u4ee3\u8868\u8457\u76f8\u540c QueryCriteria \u7684\u7d50\u69cb\uff0c\u53ef\u4f9d\u4e0d\u540c\u7684\u6c38\u7e8c\u6846\u67b6\u800c\u7522\u751f\u4e0d\u540c\u7684\u5be6\u4f5c\u65b9\u5f0f\u3002\u56e0\u6b64\uff0c\u6211\u5011\u9078\u64c7\u63a1\u7528 GOF<\/a> \u7684 builder pattern<\/a> \u4f86\u5be6\u4f5c BizDataAccessorImpl\uff0c\u5982\u4e0b\u6bb5\u7a0b\u5f0f\u78bc\u6240\u793a\uff1a
\n
\npublic class BizDataAccessorImpl
\n implements BizDataAccessor {
\n …
\n public List find(QueryCriteria criteria) {
\n HqlQueryBuilder builder =
\n new HqlQueryBuilder();<\/p>\n

new QueryCriteriaProcessDirector()
\n .makeProcess(criteria, builder);
\n String hql = builder.getHqlText();
\n \/\/ using hql to find objects
\n …
\n }
\n …
\n}<\/p>\n

public interface QueryBuilder {
\n public void buildFrom(Class clazz);
\n public void buildWhere(
\n QueryExpression expression,
\n ExpressionContext context);
\n …
\n}<\/p>\n

public class QueryCriteriaProcessDirector {
\n public makeProcess(QueryCriteria criteria,
\n QueryBuilder builder) {
\n builder.buildFrom(criteria.getFrom());
\n builder.buildWhere(criteria.getWhere(),
\n criteria.getContext());
\n …
\n }
\n}<\/p>\n

public class HqlQueryBuilder {
\n …
\n public void buildFrom(Class clazz) {
\n queryClass = clazz;
\n }<\/p>\n

public void buildWhere(
\n QueryExpression expression) {
\n …
\n whereClause = …
\n }<\/p>\n

public String getHqlText() {
\n return FROM + queryClass +
\n WHERE + whereClause + …
\n }
\n}
\n<\/coolcode>
\n\u4e0a\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0cQueryCriteriaProcessDirector \u8ca0\u8cac\u8655\u7406\u689d\u4ef6\u67e5\u8a62\u8868\u793a\u5f0f\uff0c\u5b83\u63d0\u4f9b\u4e86 makeProcess\uff0c\u4f7f BizDataAccessor \u53ef\u4ee5\u50b3\u5165 QueryCriteria\u53ca\u7279\u5b9a\u6c38\u7e8c\u6846\u67b6\u7684 QueryBuilder \u7684\u5be6\u4f5c\u4f86\u7522\u751f\u61c9\u5c0d\u7684\u67e5\u8a62\u5be6\u4f5c\uff0c\u800c\u6b64\u8655\u6211\u5011\u662f\u4ee5 Hibernate \u7684 HQL \u70ba\u4f8b\uff0c\u9019\u6a23\u4fbf\u53ef\u4ee5\u5de7\u5999\u5730\u53bb\u9664\u547c\u53eb\u8005\u8207\u7269\u4ef6\u67e5\u8a62\u7684\u5be6\u4f5c\u8005\u4e4b\u9593\u7684\u76f8\u4f9d\u95dc\u4fc2\u4e86\u3002<\/p>\n

\u7576\u7136\uff0c\u5728\u8655\u7406 where \u689d\u4ef6\u5f0f\u7684\u90e8\u5206\uff0c\u540c\u4eba\u4e26\u6c92\u6709\u660e\u78ba\u4ea4\u5f85\u8a72\u5982\u4f55\u5be6\u4f5c\u3002\u5176\u5be6\uff0c\u9019\u4e00\u6bb5\u7684\u8655\u7406\u6b63\u662f\u7269\u4ef6\u67e5\u8a62\u689d\u4ef6\u8868\u793a\u5f0f\u8655\u7406\u6700\u95dc\u9375\u4e4b\u8655\uff0c\u7269\u4ef6\u67e5\u8a62\u7684\u689d\u4ef6\u8868\u793a\u5f0f\u662f\u4e00\u7a2e\u6a39\u72c0\u7d50\u69cb\u8a9e\u6cd5\u6a39\uff0c\u7576\u7136\u7406\u61c9\u904b\u7528 GOF \u7684 interpreter pattern<\/a> \u4f86\u4e88\u4ee5\u89e3\u6790\uff0c\u4e0d\u904e\uff0cQueryExpression \u4e26\u4e0d\u9069\u5408\u52a0\u5165\u4efb\u4f55\u6709\u95dc\u7684\u8a9e\u6cd5\u89e3\u6790\u7684\u64cd\u4f5c\uff0c\u65bc\u662f\uff0c\u63a1\u7528 GOF \u7684 visitor pattern<\/a>\uff0c\u4f7f\u76f8\u540c\u8a9e\u6cd5\u6a39\u53ef\u4ee5\u63a5\u53d7\u4e0d\u540c\u7684\u8a9e\u6cd5\u89e3\u6790\u5668\u4f86\u89e3\u6790\u689d\u4ef6\u8868\u793a\u5f0f\u662f\u500b\u53ef\u884c\u7684\u60f3\u6cd5\uff0c\u4f46\u8981\u600e\u9ebc\u505a\u5462\uff1f\u9650\u65bc\u7bc7\u5e45\uff0c\u8acb\u5bb9\u540c\u4eba\u8ce3\u500b\u95dc\u5b50\uff0c\u6b32\u77e5\u8a73\u60c5\uff0c\u8acb\u5f85\u4e0b\u56de\u5206\u89e3;^)\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6b64\u8209\u4e26\u975e\u610f\u5473\u8457\u6211\u5011\u8981\u81ea\u5df1\u9020\u8f2a\u5b50\uff0c\u7528 QueryCriteria \u53d6\u4ee3 Hibernate \u7684 HQL \u6216 Criteria\uff0c\u800c\u662f\u8981\u5efa\u7acb\u4e00\u500b\u5171\u901a\u7684\u8868\u8ff0\u65b9\u5f0f\uff0c\u8b93\u4f7f\u7528\u4e0d\u540c\u7684\u6c38\u7e8c\u6846\u67b6\u90fd\u80fd\u63a1\u7528\u4e00\u81f4\u7684\u4f5c\u6cd5\u4f86\u6eff\u8db3\u9700\u6c42\u3002\u6211\u5011\u7684\u76ee\u7684\u662f\u5229\u7528\u6c38\u7e8c\u6846\u67b6\uff0c\u4f46\u537b\u4e0d\u53d7\u7279\u5b9a\u7684\u6846\u67b6\u6240\u9650\u5236\u3002 \u95b1\u8b80\u5168\u6587 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,37,19,3],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-29","category-37","category-19","category-3"],"_links":{"self":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/comments?post=192"}],"version-history":[{"count":0,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts\/192\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/media?parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/categories?post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/tags?post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}