Vue表单快速上手

  <!--登录表单区域-->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
          <!--用户名-->
  <el-form-item prop="username">
    <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <!--密码-->
  <el-form-item prop="passWord">
    <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
     <!--type="password使得密码隐藏"-->
        </el-form-item>
         <!--按钮区域-->
          <el-form-item class="btns">
    <el-button type="primary" @click="login">mua</el-button>
    <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>

<script>
export default {
  data () {
    return {
      // 这里是登录表单数据
      loginForm: {
        username: 'admin',
        password: '991130'
      },
      // 表单的验证规则对象
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  // 点击重置按钮，重置登录表单
  methods: {
    resetLoginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$Http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功')
        // 1.将登陆成功之后的token，保存到客户端的sessionstorage中
        //  1.1项目中除了登录之外的其他api接口，必须在登陆之后才能访问
        //  1.2token只应在当前网站打开期间生效，所以将token保存在sessionstorage中
        window.sessionStorage.setItem('token', res.data.token)
        // 2.通过编程式导航跳转到后台主页，路由地址为/home
        this.$router.push('home')
      })
    }
  }
}
</script>

export function antDecorator(Vue) {
   return Vue.directive('decorator',{});
}
export default {
  //
install: Vue =>{
  antDecorator(Vue);
}
}

handleSubmit(){
  this.form.validateFields((err,value)=> {
 if(!err) {
   console.log(values);
object.assign(this,values)//全部赋值
}
}
}

data() {
   this.form = this.$form.createForm(this)//初始化一个表单
   return {
       formLauout:'horizontal',
       fieldA:'hello',
       fieldB:''
};
} 
mounted () {
  setTimeout(() = >{ //定时改变一次舒适化改变
   this.form.setFieldsValue({ fieldA:'byebye'})
},3000)
},

<template>
    <div>
        <!--面包屑导航区-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>商品管理</el-breadcrumb-item>
  <el-breadcrumb-item>商品列表</el-breadcrumb-item>
</el-breadcrumb>
<!-- 卡片视图区域 -->
<el-card>
    <el-row :gutter="20">
        <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable>
<el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
    </el-row>
    <!-- table表格区域 -->
    <el-table :data="goodslist" border stripe>
        <el-table-column type="index">
        </el-table-column>
        <el-table-column label="商品名称"
         prop="goods_name"></el-table-column>
         <el-table-column label="商品价格（元）"
         prop="goods_price" width="95px"></el-table-column>
         <el-table-column label="商品重量"
         prop="goods_weight" width="70px"></el-table-column>
         <el-table-column label="创建时间" prop="add_time" width="140px">
             <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
         </el-table-column>
         <el-table-column label="操作" width="130px">
             <template slot-scope="scope">
<el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
<el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
             </template>
         </el-table-column>
    </el-table>
    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
</el-card>
    </div>
</template>
<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总书记条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log = res.data
      this.goodslist = res.data.goodslist
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      // eslint-disable-next-line no-undef
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style lang="less" scoped>
</style>