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用Python动态展示排序算法

北溟有渔夫 02-12 22:00 阅读 7

后端

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.java1234.mapper.OrderMapper">

    <resultMap id="orderResult" type="com.java1234.entity.Order">
        <association property="wxUserInfo" column="userId" select="com.java1234.mapper.WxUserInfoMapper.findByOpenId"></association>
    </resultMap>

    <select id="list" parameterType="Map" resultMap="orderResult">
        select * from t_order
        <where>
            <if test="orderNo!=null and orderNo!='' ">
                and orderNo like concat('%',#{orderNo},'%')
            </if>
        </where>
        order by createDate desc
        <if test="start!=null and pageSize!=null ">
            limit #{start},#{pageSize}
        </if>
    </select>

    <select id="getTotal" parameterType="Map" resultType="Long">
        select count(*) from t_order
        <where>
            <if test="orderNo!=null and orderNo!='' ">
                and orderNo like concat('%',#{orderNo},'%')
            </if>
        </where>
    </select>

</mapper>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.java1234.mapper.WxUserInfoMapper">

    <resultMap id="wxUserInfoResult" type="com.java1234.entity.WxUserInfo"></resultMap>

    <select id="findByOpenId" parameterType="String" resultMap="wxUserInfoResult">
        select * from t_wxuserinfo where openid=#{openid}
    </select>

</mapper>

package com.java1234.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.java1234.entity.Order;

import java.util.List;
import java.util.Map;

/**
 * 订单Mapper接口
 * @author java1234_小锋
 * @site www.java1234.com
 * @company 南通小锋网络科技有限公司
 * @create 2022-02-23 22:00
 */
public interface OrderMapper extends BaseMapper<Order> {

    List<Order> list(Map<String,Object> map);

    Long getTotal(Map<String,Object> map);
}

package com.java1234.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.java1234.entity.BigType;
import com.java1234.entity.WxUserInfo;

/**
 * 微信用户Mapper接口
 * @author java1234_小锋
 * @site www.java1234.com
 * @company 南通小锋网络科技有限公司
 * @create 2022-02-23 22:00
 */
public interface WxUserInfoMapper extends BaseMapper<WxUserInfo> {

    public WxUserInfo findByOpenId(String openId);
}

package com.java1234.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.java1234.entity.Order;

import java.util.List;
import java.util.Map;

/**
 * 订单Service接口
 * @author java1234_小锋
 * @site www.java1234.com
 * @company 南通小锋网络科技有限公司
 * @create 2022-02-23 22:01
 */
public interface IOrderService extends IService<Order> {

    /**
     * 根据条件分页查询订单数据
     * @param map
     * @return
     */
    List<Order> list(Map<String,Object> map);

    /**
     * 根据条件查询订单总记录数
     * @param map
     * @return
     */
    Long getTotal(Map<String,Object> map);
}

package com.java1234.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.java1234.entity.Order;
import com.java1234.mapper.OrderMapper;
import com.java1234.service.IOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

/**
 * 订单Service实现类
 * @author java1234_小锋
 * @site www.java1234.com
 * @company 南通小锋网络科技有限公司
 * @create 2022-02-23 22:02
 */
@Service("orderService")
public class IOrderServiceImpl extends ServiceImpl<OrderMapper,Order> implements IOrderService {

    @Autowired
    private OrderMapper orderMapper;

    @Override
    public List<Order> list(Map<String, Object> map) {
        return orderMapper.list(map);
    }

    @Override
    public Long getTotal(Map<String, Object> map) {
        return orderMapper.getTotal(map);
    }
}

package com.java1234.controller.admin;

import com.java1234.entity.Order;
import com.java1234.entity.PageBean;
import com.java1234.entity.R;
import com.java1234.service.IOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 管理员-订单Controller控制器
 * @author java1234_小锋
 * @site www.java1234.com
 * @company 南通小锋网络科技有限公司
 * @create 2022-05-21 21:07
 */
@RestController
@RequestMapping("/admin/order")
public class AdminOrderController {

    @Autowired
    private IOrderService orderService;

    /**
     * 根据条件分页查询
     * @param pageBean
     * @return
     */
    @RequestMapping("/list")
    public R list(@RequestBody PageBean pageBean){
        System.out.println(pageBean);
        Map<String,Object> map=new HashMap<>();
        map.put("orderNo",pageBean.getQuery().trim());
        map.put("start",pageBean.getStart());
        map.put("pageSize",pageBean.getPageSize());
        List<Order> orderList=orderService.list(map);
        Long total=orderService.getTotal(map);

        Map<String,Object> resultMap=new HashMap<>();
        resultMap.put("orderList",orderList);
        resultMap.put("total",total);
        return R.ok(resultMap);
    }
}

前端

<template>
  <el-card>
    <el-row :gutter="20" class="header">
      <el-col :span="7">
        <el-input placeholder="请输入订单号..." v-model="queryForm.query" clearable></el-input>
      </el-col>
      <el-button type="primary" :icon="Search" @click="initOrderList">搜索</el-button>
    </el-row>
    <el-table :data="tableData" stripe style="width: 100%">
      <el-table-column prop="orderNo" label="订单号" width="250" fixed/>
      <el-table-column prop="wxUserInfo" label="用户昵称" width="200" :formatter="wxUserInfoNickNameFormatter"/>
      <el-table-column prop="totalPrice" label="订单总价" width="100" />
      <el-table-column prop="status" label="订单状态" width="100" :formatter="statusFormatter"/>
      <el-table-column prop="createDate" label="订单创建日期" width="200" />
      <el-table-column prop="payDate" label="订单支付日期" width="200" />
      <el-table-column prop="consignee" label="收货人" width="80" />
      <el-table-column prop="telNumber" label="联系电话" width="150" />
      <el-table-column prop="address" label="收货地址" width="400" />

      <el-table-column prop="action" label="操作" width="300" fixed="right">
        <template v-slot="scope">
          <el-button type="success">详情</el-button>
          <el-button type="primary">发货</el-button>
          <el-button type="primary">退货</el-button>
          <el-button type="danger" :icon="Delete"/>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
        v-model:currentPage="queryForm.pageNum"
        v-model:page-size="queryForm.pageSize"
        :page-sizes="[10, 20, 30, 40,50]"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
    />
  </el-card>
</template>

<script setup>
import { Search ,Delete } from '@element-plus/icons-vue'
import { ref } from 'vue'
import axios from "@/util/axios";

const queryForm=ref({
  query:'',
  pageNum:1,
  pageSize:10
})

const total=ref(0)

const tableData = ref([])

const initOrderList=async()=>{
  const res=await axios.post("admin/order/list",queryForm.value)
  tableData.value=res.data.orderList;
  total.value=res.data.total;
}

initOrderList();

const handleSizeChange=(pageSize)=>{
  queryForm.value.pageNum=1;
  queryForm.value.pageSize=pageSize;
  initOrderList();
}

const handleCurrentChange=(pageNum)=>{
  queryForm.value.pageNum=pageNum;
  initOrderList();
}

const wxUserInfoNickNameFormatter=(row)=>{
  return row.wxUserInfo.nickName;
}

const statusFormatter=(row)=>{
  switch (row.status){
    case 1:
      return "待支付"
    case 2:
      return "待发货"
    case 3:
      return "退款/退货"
  }
}



</script>

<style lang="scss" scoped>

.header{
  padding-bottom: 16px;
  box-sizing: border-box;
}

.el-pagination{
  padding-top: 15px;
  box-sizing: border-box;
}



</style>

在这里插入图片描述

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