1.selective的意思是:选择性2.insertSelective--选择性保存数据:比如User里面有三个字段:id,name,age,password但是我只设置了一个字段:User u=new user();u.setName("张三"):insertSelective(u):3.insertSelective执行对应的sql语句的时候,只插入对应的name字段:(主键是自动添加的,默认插入为空)insert into tb_user (id,name) value (nu
package com.sinoservices.dms.orderinfo.entity; public class OrderDetailKeyCondition { //工单主键 private Long id; public Long getId() { return id; } public void setId(Long id) { this.id = id; }} Gson gson = new Gson(); if(!"".equals(data) &&