JFinal连接数据库配置说明

1 public void configConstant(Constants me) {
2 
3     PropKit.use("config.properties");
4 
5 }

1 jdbcUrl = jdbc:postgresql://localhost:5432/liubaohua
2 username = postgres
3 password = postgres
4 driver = org.postgresql.Driver

 1 public void configPlugin(Plugins me) {
 2         C3p0Plugin c3p0Plugin = new C3p0Plugin(PropKit.get("jdbcUrl"),PropKit.get("username"),PropKit.get("password"),PropKit.get("driver"));
 3         ActiveRecordPlugin arp = new ActiveRecordPlugin(c3p0Plugin);    
 4         arp.setShowSql(true);        
 5         arp.addMapping("post_user","user_id",User.class);
 6         me.add(c3p0Plugin);
 7         me.add(arp);
 8         arp.setDialect(new PostgreSqlDialect());
 9         
10     }

 1 public void save() {
 2         // 用户删除
 3         User.user.deleteById(4);
 4         
 5         // 用户添加
 6         new User().set("user_name", "宝华"+new Random().nextInt(100))
 7                   .set("user_password", "123")
 8                   .set("user_class_id", 1)
 9                   .save();
10         
11         renderText("用户添加成功...");
12         // 用户查询
13         User user = User.user.findById(2);
14         renderText(user.getStr("user_name"));
15         // 用户修改
16         User.user.findById(1).set("user_name","张无忌").update();
17         // 查询语句
18         String likeStr = "select * from post_user where user_name like ‘%宝%‘";
19         List<User> userList = User.user.find(likeStr);
20         String renderStr = "";
21         for (User user2 : userList) {
22             renderStr += user2.getStr("user_name");
23             renderStr += "---";
24         }
25         renderText(renderStr);
26         // 分页查询语句 参数列表（起始页，每页条数，查询字段，表和条件《使用占位符》，"设置占位符"）
27         Page<User> userPage = User.user.paginate(1, 8,
28                 "select *", "from post_user where user_name like ?", "%华%");
29         
30         renderStr = "";
31         for (User user2 : userPage.getList()) {
32             renderStr += "-->";
33             renderStr += user2.getStr("user_name")+"\n";
34         }
35         renderText("总页数："+userPage.getTotalPage()+"\t共有："+userPage.getTotalRow()+"条数据"
36                 +"\t共有："+userPage.getTotalPage()+"页"+"\t当前页："+userPage.getPageNumber()
37                 +"\n"+renderStr);
38         
39     }