spring boot

1. pom.xml

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql:///pinyougoudb?serverTimezone=UTC
    username: root
    password: 123456

  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: Asia/Chongqing

  mvc:
    view:
      prefix: /
      suffix: .html
server:
   port: 8080
   servlet:

2. application.yml

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql:///pinyougoudb?serverTimezone=UTC
    username: root
    password: 123456

  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: Asia/Chongqing

  mvc:
    view:
      prefix: /
      suffix: .html
server:
  port: 8080

3. 创建类/html
4. 导入

$.ajax({
            url: "validata?id=" + str, success: function (result) {
               if(result > 0){
                   $.post("add",{ids:str},function(obj){
                      alert("添加成功");
                       window.location.href='catList';
                   })
               }else{
                    alert("没有库存");
               }
            }
        });