学习目标

使用vue + elementui从数据库获取数据
效果图

首先要创建一个表单用于放置后端传来的数据库的数据：

<el-card class="box-card">
      <el-table
        :data="tableData"
        border
        stripe
        style="width: 100% "
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center"></el-table-column>
        <el-table-column prop="id" label="学号" align="center"></el-table-column>
        <el-table-column prop="name" label="姓名" align="center"></el-table-column>
        <el-table-column prop="sex" label="性别" align="center"></el-table-column>
        <el-table-column prop="college" label="学院" align="center"></el-table-column>
        <el-table-column label="操作" align="center">
          <template slot-scope="scope" class="active">
            <el-button @click="editData(scope.row)" type="primary" icon="el-icon-edit" circle></el-button>
            <el-button @click="removeData(scope.row.id)" type="danger" icon="el-icon-delete" circle></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-row :gutter="20">
        <el-col :span="6" :offset="12">
          <div class="block">
            <el-pagination
              background
              @current-change="handleCurrentChange"
              :current-page.sync="currentPage"
              :page-size="pageSize"
              layout="total, prev, next, jumper, pager"
              :total="total"
            ></el-pagination>
          </div>
        </el-col>
      </el-row>
    </el-card>

然后再从数据库中获得数据，获取数据后，根据后端数据结构，将获取的数据以对应关系放置于表单内,并再methods中调用函数fetchdata这样就不用手动刷新就可以看到数据了：

data() {
    return {
      currentPage: 1, //当前页数
      pageSize: 8, //每页获取条数（页面大小）
      tableData: [], //存放从后端传来的数据
    };
  },
  mounted() {
  	this.fetchdata()
  },
  methods: {
    //获取后端数据
    fetchdata() {
      axios
        .get("url")
        .then(
          response => {
            this.tableData = response.data;
          },
          response => {
            console.log("error");
            alert("请求失败");
          }
        );
    },
   }