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El-Form封装

El-Form封装

作者: icon6 | 来源:发表于2020-04-14 15:58 被阅读0次

组件化封装el-form

最近在写一个管理系统的项目,基本上每个页面都有el-form,代码写的多了就不想写了,想省事就得整它啊。

设计思想

表单的功能就是收集数据发送到后台,这就是它的使命。采用面向对象的设计思想,我想用你的组件我只管把你规定的数据格式传给你其它的我不管,至于你怎么绑值,和发送请求的,我不需要知道,我只要结果!

开整

<template>

  <el-form
    ref="ruleForm"
    class="demo-ruleForm"
    :model="form"
    :label-width="formData.labelWidth"
    :inline="formData.inline"
    :rules="formData.rules"
    :size="formData.size"
    :label-position="formData.labelPosition"
  >
    <el-form-item
      v-for="(item, index) in formData.formItem"
      :key="index"
      :label="item.label"
      :prop="item.prop"
    >
      <!-- 文本框 -->
      <el-input
        v-if="item.type === 'text'"
        v-model="form[item.prop]"
        :disabled="item.isDisabled"
      />
      <!-- 密码框 -->
      <el-input
        v-if="item.type === 'password'"
        v-model="form[item.prop]"
        type="password"
        :disabled="item.isDisabled"
      />
      <!-- 单选框 -->
      <el-radio-group 
        v-if="item.type==='radio'" 
        v-model="form[item.prop]"
      >
        <el-radio 
          v-for="item in item.options" 
          :key="item.value" 
          :label="item.value"
        >
          {{ item.name }}
        </el-radio>
      </el-radio-group>
      <!-- 单选按钮 -->
      <el-radio-group 
        v-if="item.type==='radioButton'" 
        v-model="form[item.prop]" 
        :disabled="item.isDisabled"
      >
        <el-radio-button 
          v-for="item in item.options" 
          :key="item.value" 
          :label="item.value"
        >
          {{ item.name }}
        </el-radio-button>
      </el-radio-group>
      <!-- 多选框组 -->
      <el-checkbox-group 
        v-if="item.type==='checkbox'" 
        v-model="form[item.prop]"
      >
        <el-checkbox 
          v-for="item in item.options" 
          :key="item.value" 
          :disabled="item.isDisabled" 
          :label="item.value"
        >
          {{item.name}}
        </el-checkbox>
      </el-checkbox-group>
      <!-- 下拉框 -->
      <el-select
        v-if="item.type==='select'"
        v-model="form[item.prop]"
        :multiple="item.multiple"
        collapse-tags
        clearable
        :disabled="item.isDisabled"
        :placeholder="item.placeholder"
      >
        <el-option
          v-for="item in item.options"
          :key="item.value"
          :label="item.label"
          :value="item.value"
          :disabled="item.isDisabled"
        />
      </el-select>
      <!-- 联级面板 -->
      <el-cascader
        v-if="item.type==='cascader'"
        v-model="form[item.prop]"
        :options="item.options"
        :props="item.isMore"
        clearable
      />
      <!-- 开关 -->
      <el-switch
        v-if="item.type==='switch'"
        v-model="form[item.prop]"
      />
      <!-- 日期选择器 -->
      <el-date-picker
        v-if="item.type==='date'"
        v-model="form[item.prop]"
        type="date"
        value-format="yyyy-MM-dd"
        placeholder="选择日期"
      />
      <!-- 时间选择器 -->
      <el-time-picker
        v-if="item.type==='time'"
        v-model="form[item.prop]"
        placeholder="请选择时间"
      />
      <!-- 日期时间选择器 -->
      <el-date-picker
        v-if="item.type==='dateTime'"
        v-model="form[item.prop]"
        type="datetime"
        placeholder="选择日期时间"
      />
      <!-- 日期和时间范围选择器  -->
      <el-date-picker
        v-if="item.type==='datetimerange'"
        v-model="form[item.prop]"
        type="datetimerange"
        range-separator="至"
        start-placeholder="开始日期"
        end-placeholder="结束日期"
      />
    </el-form-item>
    <el-form-item>
      <el-button 
        type="primary"
        @click="onSubmit('ruleForm')"
      >
        保存
      </el-button>
      <el-button 
        @click="resetForm('ruleForm')"
      >
        重置
      </el-button>
    </el-form-item>
  </el-form>

</template>

<script>
export default {
  props: {
    formData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      form: {}
    };
  },
  created() {
    this.bindValue();
  },
  methods: {
    onSubmit(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          console.log(this.form);
          alert('发送请求去');
        } else {
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
    bindValue() {
      const obj = {};
      this.formData.formItem.forEach((item, index) => {
        // 这里不能写成this.form = obj  因为传递的不是值,而是引用,他们指向了同一个空间!
        obj[item.prop] = item.value;
      });
      this.form = {...obj};
    }
  }
};
</script>

<style scoped>

</style>

在页面中引入组件

<template>
  <div>
    <form-icon :form-data="formData" />
  </div>
</template>

<script>
import formIcon from '@/components/ObjectForm';
export default {
  components: {
    formIcon
  },
  data() {
    return {
      formData: {
        rules: {
          userName: [
            {required: true, message: '请输入用户名', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '请输入密码', trigger: 'blur'}
          ]
        },
        labelWidth: '100px',
        inline: false,
        labelPosition: 'right',
        size: 'small',
        formItem: [
          {type: 'text', label: '用户名', isDisabled: false, placeholder: '请输入用户名', prop: 'userName', value: '6666', required: true},
          {type: 'password', label: '密码', isDisabled: false, placeholder: '请输入密码', prop: 'password', value: '', required: true},
          {type: 'radio', label: '性别', isDisabled: false, prop: 'sex', value: '', options: [{name: '男', value: '1'}, {name: '女', value: '0'}]},
          {type: 'switch', label: '状态', isDisabled: false, prop: 'status', value: '0'},
          {
            type: 'radioButton',
            isDisabled: true,
            label: '选择城市',
            prop: 'city',
            value: 'huaian',
            options: [
              {name: '上海', value: 'shanghai'},
              {name: '北京', value: 'beijing'},
              {name: '淮安', value: 'huaian'}
            ]
          },
          {
            type: 'checkbox',
            isDisabled: false,
            label: '爱好',
            prop: 'hoppies',
            value: [],
            options: [
              {name: '游戏', value: 'LOL', isDisabled: true},
              {name: '健身', value: 'fitness', isDisabled: false},
              {name: '娱乐', value: 'bath', isDisabled: false},
              {name: 'Code', value: 'code', isDisabled: true}
            ]
          },
          {
            type: 'select',
            isDisabled: false,
            // 是否开启多选
            multiple: false,
            label: '选择语言',
            prop: 'languages',
            value: [],
            options: [
              {name: 'JavaScript', value: 'JavaScript', isDisabled: true},
              {name: 'Java', value: 'Java', isDisabled: false},
              {name: 'Python', value: 'Python', isDisabled: false},
              {name: 'C#', value: 'C#', isDisabled: false},
              {name: 'C', value: 'C', isDisabled: false},
              {name: 'Go', value: 'Go', isDisabled: false},
              {name: 'PHP', value: 'PHP', isDisabled: false}
            ]
          },
          {
            type: 'cascader',
            label: '地址',
            prop: 'dizhi',
            isMore: {multiple: false},
            isDisabled: false,
            value: [],
            options: [
              {
                value: 'js',
                label: '江苏省',
                children: [
                  {
                    value: 'nanjing',
                    label: '南京市'
                  },
                  {
                    value: 'suzhou',
                    label: '苏州市'
                  },
                  {
                    value: 'wuxi',
                    label: '无锡市'
                  },
                  {
                    value: 'huaian',
                    label: '淮安市',
                    children: [
                      {
                        value: 'pjpq',
                        label: '清江浦区'
                      },
                      {
                        value: 'hyq',
                        label: '淮阴区'
                      }
                    ]
                  }
                ]
              },
              {
                value: 'sh',
                label: '上海市',
                children: [
                  {
                    value: 'pudong',
                    label: '浦东新区'
                  },
                  {
                    value: 'xuhui',
                    label: '徐汇区'
                  },
                  {
                    value: 'minhang',
                    label: '闵行区'
                  },
                  {
                    value: 'songjiang',
                    label: '松江区',
                    children: [
                      {
                        value: 'dongjing',
                        label: '洞泾'
                      },
                      {
                        value: 'jiuting',
                        label: '九亭'
                      }
                    ]
                  }
                ]
              }
            ]
          },
          {type: 'date', label: '日期', prop: 'starTime', value: ''},
          {type: 'time', label: '时间', prop: 'time', value: ''},
          {type: 'dateTime', label: '日期时间', prop: 'dateTime', value: ''},
          {type: 'datetimerange', label: '范围选择器', prop: 'datetimerange', value: ''}
        ]
      }
    };
  }
};
</script>

<style lang="scss" scoped>

</style>

到这里对el-form简单封装完成了,基本能够满足需求!满足不了继续往里头加就完事了。

思考

  • 数据联动的时候数据量过大怎么搞?
    第一层数据可以给过来,然后给点击事件再去返回结果
  • 上传文件、图片、视频怎么搞?
    Element el-upload上传

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