Grid布局博客地址

Vue-iView-ui 和 Vue-element-ui  的 Grid  布局代码有些 冗余，现在封装一套自己的 grid布局  以 from表单为例

支持表单校验，国际化，错误信息定位，网格布局

Grid>Grid.vue

<template>
    <div>
        <Form  v-if="type == 'iview'" ref="form" v-bind="$attrs" v-on="$listeners"  :label-width="labelWidth" :label-position='labelPosition' class="grid" :style="style" >
           <slot></slot>
        </Form>
        <el-form v-else-if="type == 'element'" ref="form" v-bind="$attrs" v-on="$listeners"  :label-width="labelWidth" :label-position='labelPosition' class="grid" :style="style">
            <slot></slot>
        </el-form>
    </div>
</template>
<script>
    export default {
        props:{
            column:{
                type:[String,Number],
                default:2
            },
            // 表单域标签的宽度
            labelWidth:{
                type:[String,Number],
            },
            // 表单域标签的位置，支持left，top，right
            labelPosition:{
                type:String,
                default:null
            },
            type:{
                type:[String],
                default:'iview',
                validate:function(value){
                     // 类型必须是iview或者element
                    return ['iview','element'].includes(value)
                }
            },
            columnGap:{
                type:[String,Number],
                default:30
            },
            rowGap:{
                type:[String,Number],
                default:10
            },
            colon:{
                type:[Boolean],
                default:false
            }
        },
        provide(){
            return{
                'grid':this
            }
        },
        computed:{
            style(){
                return{
                    // 设置的列的状态，可以根据this.column设置当前行有几列,fr是等份，代表可用剩余宽度的分配
                    'grid-template-columns' : `repeat(${this.column},1fr)`,
                    //设置行列间距
                    'grid-column-gap':this.columnGap + 'px',
                    'grid-row-gap':this.rowGap + 'px'
                }
            }
        },
        methods:{
            validate(callback){
                //如果有  没有校验的表单元素，视图自动显示到这个部分
                // 校验表单
               this.$refs.form.validate(callback);
               let elementError = document.getElementsByClassName('el-form-item__error');
               let iviewError = document.getElementsByClassName("ivu-form-item-error-tip")
              //  this.$nextTick指的是下一个周期执行
               this.$nextTick(function () {
                    if(elementError.length > 0){
                        elementError[0].scrollIntoView({
                            block:'center'
                        })
                    }
                    if(iviewError.length > 0){
                        iviewError[0].scrollIntoView({
                            block:'center'
                        })
                    }
               });
               
            }
        }
    }
</script>
<style scoped>
    .grid{
        display: grid;
        grid-template-rows: 1fr;
    }
</style>

 

Grid>GridItem.vue

<template>
    <FormItem :label="label+colon" v-bind="$attrs" v-on="$listeners"  :style="style" v-if="grid.type == 'iview'">
        <slot></slot>
    </FormItem>
    <el-form-item :label="label+colon" v-bind="$attrs" v-on="$listeners"  :style="style" v-else-if="grid.type == 'element'">
        <slot></slot>
    </el-form-item>
</template>

<script>
    export default {
        inject:['grid'],
        props:{
            column:{
                type:[String,Number],
                default:1
            },
            label:{
                type:[String]
            }
        },
        computed:{
            style(){
                return {
                    // 设置单元格的状态，span代表合状态，第二个参数代表合并几等份
                    'grid-column-end':`span ${this.column}`
                }
            },
            //配置冒号
            colon(){
                if(this.grid.colon){
                    // 判断国际化
                    return this.$i18n.locale == 'zh' ? '：' : ':'
                }else{
                    return ''
                }
            }
        }
    }
</script>
<style scoped>
</style>

Grid>index.js

import Vue from 'vue'
import Grid from './Grid.vue'
import GridItem from './GridItem.vue'
Grid.install = ()=>{
    Vue.component('Grid',Grid)
}
GridItem.install = ()=>{
    Vue.component('GridItem',GridItem)
}
export {
    Grid,
    GridItem
}

main.js

import iviewUi from 'view-design'
import 'view-design/dist/styles/iview.css'
import elementUi from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
import i18n from './lang/index'
//全局引入Grid
import {Grid,GridItem} from './components/Grid/index'
Vue.use(elementUi)
Vue.use(iviewUi)
Vue.use(Grid)
Vue.use(GridItem)
new Vue({
  render: h => h(App),
  i18n
}).$mount('#app')

lang>index.js

import Vue from 'vue'
import VueI18n from 'vue-i18n'
Vue.use(VueI18n)
const i18n = new VueI18n({
    locale : "zh",
    messages:{
        'zh':{

        },
        'en':{

        }
    }
})
export default i18n

app.vue

<template>
  <div >
    <Grid column='1' type='iview' :model="ruleForm" :rules="rules" ref="formName" colon :labelPosition="'left'" :labelWidth="'140px'"  style="height:1000px">
        <GridItem column='1' label="活动名称" prop="name">
            <el-input v-model="ruleForm.name"></el-input>
        </GridItem>
        <GridItem column='1' label="活动区域" prop="region">
            <el-select v-model="ruleForm.region" placeholder="请选择活动区域">
                <el-option label="区域一" value="shanghai"></el-option>
                <el-option label="区域二" value="beijing"></el-option>
            </el-select>
        </GridItem>
        <GridItem column='1' label="活动性质" prop="type">
            <el-checkbox-group v-model="ruleForm.type">
                <el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
                <el-checkbox label="地推活动" name="type"></el-checkbox>
                <el-checkbox label="线下主题活动" name="type"></el-checkbox>
                <el-checkbox label="单纯品牌曝光" name="type"></el-checkbox>
            </el-checkbox-group>
        </GridItem>
        <GridItem column='1' label="特殊资源" prop="resource">
            <el-radio-group v-model="ruleForm.resource">
                <el-radio label="线上品牌商赞助"></el-radio>
                <el-radio label="线下场地免费"></el-radio>
            </el-radio-group>
        </GridItem>
        <GridItem column='1' label="活动形式" prop="desc">
            <el-input type="textarea" v-model="ruleForm.desc"></el-input>
        </GridItem>
    </Grid>
    <el-button type="primary" @click="submit">提交</el-button>
  </div>
</template>
<script>
  export default {
    data() {
        return {
            ruleForm: {
                name: '',
                region: '',
                date1: '',
                date2: '',
                delivery: false,
                type: [],
                resource: '',
                desc: ''
            },
            rules: {
                name: [{
                        required: true,
                        message: '请输入活动名称',
                        trigger: 'blur'
                    },
                    {
                        min: 3,
                        max: 5,
                        message: '长度在 3 到 5 个字符',
                        trigger: 'blur'
                    }
                ],
                region: [{
                    required: true,
                    message: '请选择活动区域',
                    trigger: 'change'
                }],
                date1: [{
                    type: 'date',
                    required: true,
                    message: '请选择日期',
                    trigger: 'change'
                }],
                date2: [{
                    type: 'date',
                    required: true,
                    message: '请选择时间',
                    trigger: 'change'
                }],
                type: [{
                    type: 'array',
                    required: true,
                    message: '请至少选择一个活动性质',
                    trigger: 'change'
                }],
                resource: [{
                    required: true,
                    message: '请选择活动资源',
                    trigger: 'change'
                }],
                desc: [{
                    required: true,
                    message: '请填写活动形式',
                    trigger: 'blur'
                }]
            }
        }
    },
      methods: {
        submit() {
          this.$refs.formName.validate((valid) => {
            if (valid) {
              alert('submit!');
            } else {
              console.log('error submit!!');
              return false;
            }
          });
        }
      },
      created(){
          this.$i18n.locale = 'zh'
          window.localStorage.setItem('lang',this.$i18n.locale)
          // console.log(this.$i18n.locale)
      }
  }
</script>
<style scoped>
</style>