MongoDB(4) java api
?????? java api 的应用，可不是jdbc啊，mongodb 很奇怪，很奇怪，
代码的例子包括了，常用的 添加，修改，删除，统计，分页，条件，文档嵌套查询
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测试代码
import java.util.HashSet;import java.util.Set;import org.junit.Test;import dao.MobileDao;import entity.Mobile;import entity.Params;public class MongoDBTest {@Testpublic void testInsert() throws Exception {MobileDao dao = new MobileDao();Mobile m = new Mobile();m.setId(102);m.setBrand("HTC");m.setName("dream");Set<Params> set = new HashSet<Params>();Params p1 = new Params();p1.setName("app");p1.setValue("中文情况");Params p2 = new Params();p2.setName("上市时间");p2.setValue("2011-1-1");set.add(p1);set.add(p2);m.setSet(set);dao.insert(m);}@Testpublic void testModify() throws Exception {MobileDao dao = new MobileDao();Mobile m = new Mobile();Mobile m2 = new Mobile();m.setName("tattoo");m2.setBrand("lenovo");m2.setId(m2.getId());m2.setName("s1");dao.modify(m, m2);}@Testpublic void testRemove() throws Exception {MobileDao dao = new MobileDao();Mobile m = new Mobile();m.setName("s1");dao.remove(m);}@Testpublic void testQueryAll() throws Exception {MobileDao dao = new MobileDao();dao.queryAll(new Mobile());}@Testpublic void testQuery() throws Exception {MobileDao dao = new MobileDao();dao.query(new Mobile());}@Testpublic void testLoad() throws Exception {MobileDao dao = new MobileDao();Mobile m = new Mobile();m.setId(1);dao.load(m);}}?完整代码在附件中