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前后端联调总结

程序员文章站 2022-06-03 21:35:22
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一、前后端联调的具体过程
1、swagger测试
2、测试api:浏览器network页签的xhr中的请求响应是否成功
3、测试数据绑定
4、数据渲染:模板中的html
二、具体功能实现
1、teacher.js,api模块,用来定义接口调用后端实现的接口

// @ 符号在build/webpack.base.conf.js 中配置 表示 'src' 路径
import request from '@/utils/request'
export default{
  // 查询教师列表
  list() {
    return request({
      url: '/admin/edu/teacher/list',
      method: 'get'
    })
  },
  // 分页查询讲师
  pageList(page, limit, searchObj) {
    return request({
      url: `/admin/edu/teacher/list/${page}/${limit}`,
      method: 'get',
      params: searchObj
    })
  },
  // 根据id删除讲师
  removeById(id) {
    return request({
      url: `/admin/edu/teacher/remove/${id}`,
      method: 'delete'
    })
  },
  // 新增讲师
  save(teacher) {
    return request({
      url: '/admin/edu/teacher/save',
      method: 'post',
      data: teacher
    })
  },
  // 通过id获取讲师信息
  getById(id) {
    return request({
      url: `/admin/edu/teacher/get/${id}`,
      method: 'get'
    })
  },
  // 通过id修改讲师信息
  updateById(teacher) {
    return request({
      url: `/admin/edu/teacher/update`,
      method: 'put',
      data: teacher
    })
  }
}

2、list.vue,查询,分页,删除,修改,页面通过element-ui渲染

<!--
vue页面由2至3部分组成:<template>、<script>、<style>
-->
<template>
  <div>
    <el-form :inline="true">
      <el-form-item>
        <el-input v-model="searchObj.name" placeholder="讲师"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="searchObj.level" placeholder="头衔">
          <el-option label="高级讲师" value="1"/>
          <el-option label="首席讲师" value="2"/>
        </el-select>
      </el-form-item>
      <el-date-picker
        v-model="searchObj.joinDateBegin"
        value-format="yyyy-MM-dd"
        align="right"
        type="date"
        placeholder="入驻时间"/>
      <el-form-item>
        <el-date-picker
          v-model="searchObj.joinDateEnd"
          value-format="yyyy-MM-dd"
          align="right"
          type="date"
          placeholder="结束时间"/>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" @click="fetchData()">查询</el-button>
          <el-button type="default" @click="resetData()">清空</el-button>
        </el-form-item>
    </el-form-item></el-form>

    <!-- 表格 -->
    <el-table :data="list" border stripe>
      <el-table-column width="50" label="#">
        <template slot-scope="scope">
          {{ (page-1)*limit+scope.$index+1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />
      <el-table-column label="头衔" width="90">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.level === 1" type="success" size="mini">高级讲师</el-tag>
          <el-tag v-if="scope.row.level === 2" size="mini">首席讲师</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="简介" />
      <el-table-column prop="sort" label="排序" width="60" />
      <el-table-column prop="joinDate" label="入驻时间" width="160" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.id)">删除</el-button>
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
        </template>
      </el-table-column>

    </el-table>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :page-sizes="[5, 10, 20]"
      :page-size="limit"
      :total="total"
      layout="total, sizes, prev, pager, next, jumper"
      style="padding: 30px 0; text-align: center;"
      @size-change="changePageSize"
      @current-change="changeCurrentPage"/>
  </div>
</template>
<script>
import teacherApi from '@/api/teacher.js'
export default {
  // 定义数据类型
  data() {
    return {
      list: [], // 讲师列表
      toatl: 0, // 总记录数
      page: 1, // 页码
      limit: 5, // 每页记录数
      searchObj: {}// 查询条件
    }
  },
  // 页面渲染成功后获取数据
  created() {
    this.fetchData()
  },
  // 定义方法
  methods: {
    // 删除讲师
    removeById(id) {
      this.$confirm('此操作将永久删除该讲师, 是否继续?', '提示', {
        confirmButtonText: '中',
        cancelButtonText: '不中',
        type: 'warning'
      }).then(() => {
        return teacherApi.removeById(id)
      }).then(response => {
        this.fetchData()
        this.$message.success(response.message)
      }).catch(error => {
        // 当取消时会进入catch语句:error = 'cancel'
        // 当后端服务抛出异常时:error = 'error'
        if (error === 'cancel') {
          this.$message.info('取消删除')
        }
      })
    },
    // 清空
    resetData() {
      this.searchObj = {}
      this.fetchData()
    },

    // 改变每页记录数,size:回调参数,表示当前选中的“每页条数”
    changePageSize(size) {
      this.limit = size
      this.fetchData()
    },
    // 改变当前页数,page:回调参数,表示当前选中的“页码”
    changeCurrentPage(page) {
      this.page = page
      this.fetchData()
    },
    fetchData() {
      // 调用api
      // teacherApi.list().then(response => {
      //   this.list = response.data.items
      // })
      teacherApi.pageList(this.page, this.limit, this.searchObj).then(response => {
        // this.list = response.data.items
        this.list = response.data.pageModel.records
        this.total = response.data.pageModel.total
      })
    }
  }
}
</script>

3、form.vue,用来做页面渲染,导入api模块

<template>
  <div class="app-container">
    <!-- 输入表单 -->
    <el-form label-width="120px">
      <el-form-item label="讲师名称">
        <el-input v-model="teacher.name" />
      </el-form-item>
      <el-form-item label="入驻时间">
        <el-date-picker v-model="teacher.joinDate" value-format="yyyy-MM-dd" />
      </el-form-item>
      <el-form-item label="讲师排序">
        <el-input-number v-model="teacher.sort" :min="0"/>
      </el-form-item>
      <el-form-item label="讲师头衔">
        <el-select v-model="teacher.level">
          <!--
            数据类型一定要和取出的json中的一致,否则没法回填
            因此,这里value使用动态绑定的值,保证其数据类型是number
            -->
          <!-- value前必须加:,否则是字符串 -->
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>
      <el-form-item label="讲师简介">
        <el-input v-model="teacher.intro"/>
      </el-form-item>
      <el-form-item label="讲师资历">
        <el-input v-model="teacher.career" :rows="10" type="textarea"/>
      </el-form-item>
      <!-- 讲师头像:TODO -->

      <el-form-item>
        <el-button :disabled="saveBtnDisabled" type="primary" @click="saveOrUpdate()">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import teacherApi from '@/api/teacher.js'
export default {
  // 定义数据类型
  data() {
    return {
      // 初始化讲师默认数据
      teacher: {
        sort: 0,
        level: 1
      },
      saveBtnDisabled: false// 保存按钮是否禁用,防止表单重复提交
    }
  },
  // 页面渲染成功后获取数据
  created() {
    // 当回显时调用,获取当前记录的id
    if (this.$route.params.id) {
      this.fetchDataById(this.$route.params.id)
    }
  },
  // 定义方法
  methods: {
    // 根据id查询讲师
    fetchDataById(id) {
      teacherApi.getById(id).then(response => {
        this.teacher = response.data.teacher
      })
    },
    saveOrUpdate() {
      // 保存按钮开启禁用
      this.saveBtnDisabled = true
      // 判断新增还是修改
      if (!this.teacher.id) {
        this.saveData()
      } else {
        this.updateData()
      }
    },
    // 修改讲师
    updateData() {
      teacherApi.updateById(this.teacher).then(response => {
        this.$message.success(response.message)
        // 跳转到讲师列表,通过路由跳转
        this.$router.push({ path: '/teacher' })
      })
    },
    // 保存讲师
    saveData() {
      teacherApi.save(this.teacher).then(response => {
        this.$message.success(response.message)
        // 跳转到讲师列表,通过路由跳转
        this.$router.push({ path: '/teacher' })
      })
    }
  }
}
</script>

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