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转载请注明出处:http://www.wangyongkui.com/java-jpa-query。
今天使用Jpa遇到一个问题,发现查询多个字段时返回对象不能自动转换成自定义对象。代码如下:
//User 实体对象 @Entity @Table(name="t_user") public class User { private Integer id; private String name; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public Strng getName() { return name; } public void setName(String name) { this.name = name; } }
package com.project.user.dto //查询返回对象 public class UserDto{ private Integer count; private String name; public UserDto(Integer count, String name) { this.count = count; this.name = name; } public Integer getCount() { return count; } public void setCount(Integer count) { this.count = count; } public Strng getName() { return name; } public void setName(String name) { this.name = name; } }
好了,这回查询直接返回的就是UserDto对象了。
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原文地址:http://www.cnblogs.com/azhqiang/p/5433542.html