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一般很大的表单都会被拆解开，校验，，不会写在一个页面，，就会有多个 el-form ，，主页要集合所有el-form的数据，，所以有一个map来接收，传送表单数据，，map的key就是 ，表单的ref，，，，这样就可以通过遍历map的key来循环校验 el-form，，，

子表单的校验结果返回 boolean值，，使用 every() 每一个都满足返回true，表示校验通过，
通过之后将子表单的 数据，都集中在 formDataMap中，，
子表单的 :data 绑定相同的值 formData，，通过遍历 map的key ，点上相同的 formData属性，就能统一获取子表单的值，，

代码：

<template>
<div><waterkid :waterkid="formDataMap.waterkid" ref="waterkid"></waterkid><hr><cc :cc="formDataMap.cc"  ref="cc"></cc><hr><el-button @click="handleSubmit" >submit </el-button><el-button @click="handleClick">btn</el-button>
</div>
</template><script>
import {myMixin} from "@/views/cc/card/mixin";
import share from "@/views/cc/card/share";
import waterkid from "@/views/cc/card/component/waterkid";
import cc from "@/views/cc/card/component/cc";
export default {components:{waterkid,cc},mixins:[myMixin,share],name: "index",created() {console.log("index created")this.sharedMethod()console.log(this.msg)},data(){return{formDataMap:{waterkid:{username:"waterkid"},cc:{username:"cc",address:""}},componentRefs:{}}},mounted() {// this.componentRefs.waterkid = this.$refs.waterkid// this.componentRefs.cc  =this.$refs.cc},methods:{handleClick(){this.$refs["waterkid"].submitForm()},handleSubmit(){var keys = Object.keys(this.formDataMap);let validateArr =  keys.map(item=>{return  this.$refs[item].submitForm()})console.log(validateArr,777)let validate = validateArr.every(item=>{return item})console.log("validate",validate)if (validate){// 验证成功keys.forEach(item=>{this.formDataMap[item] = this.$refs[item].formDataconsole.log(this.$refs[item].formData,666)})console.log("obj",this.formDataMap)}}}
}
</script><style scoped></style>

子表单：

<template>
<el-formref="waterkid":model="formData":rules="rules"
><el-form-item label="username" prop="username"><el-input v-model="formData.username"></el-input></el-form-item><el-form-item><el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button><el-button @click="resetForm('ruleForm')">重置</el-button></el-form-item></el-form>
</template><script>
export default {name: "waterkid",props:["waterkid"],data(){return{rules:{username:[{required:true,message:"please input your username",trigger:"blur"}]},formData:{username:""}}},created() {console.log(this.waterkid,111)this.formData = this.waterkid},watch:{waterkid:function (val){if (val){this.formData = val}}},methods:{test(){console.log("test")},submitForm(){let result = falsethis.$refs["waterkid"].validate((valid)=>{if (valid){console.log("waterkid submit")result = true}else{console.log("error ...")return false}})return result}}
}
</script><style scoped></style>

<template>
<el-formref="cc":model="formData":rules="rules":inline="true"
><el-form-item label="username" prop="username"><el-input v-model="formData.username"></el-input></el-form-item><el-form-item label="address" prop="address"><el-input v-model="formData.address"></el-input></el-form-item><el-form-item><el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button><el-button @click="resetForm('ruleForm')">重置</el-button></el-form-item></el-form>
</template><script>
export default {name: "cc",props:["cc"],data(){return{rules:{username:[{required:true,message:"please input your username",trigger:"blur"}],address:[{required:true,message:"please input your address",trigger:"blur"}]},formData:{username:"",address:""}}},created() {this.formData = this.cc},watch:{cc:function (val){if (val){this.formData = val}}},methods:{test(){console.log("test")},submitForm(){let result = falsethis.$refs["cc"].validate((valid)=>valid && (result =true))return result}}
}
</script><style scoped></style>