delivery-business/pages/management/management.js

// index.js
// 获取应用实例
const app = getApp()

Page({
  data: {
    value: '',
   
  },
  onChange(e) {
    this.setData({
      value: e.detail,
     
    });
  },

  onSearch() {
    Toast('搜索' + this.data.value);
  },
  onClick() {
    Toast('搜索' + this.data.value);
  },
});