element-ui form表单的动态rules校验功能实现

<el-form-item
          label="3、属于以下何种优先配售类型（单选，符合以下条件之一即属于优先配售范围）"
          prop="yxpslx"
          :rules="sqyxForm.jtpslx == '0' ? { required: true, message: '请选择', trigger: 'change'} : {}"
          label-width="600px"
          style="display:flex; flex-direction: column;"
          class="elformitem3"
        >
          <el-radio-group v-model="sqyxForm.yxpslx" :disabled="sqyxForm.jtpslx ==1" @change="changeYxpsRadio">
            <el-radio label="0" class="mb10" :disabled="sqyxForm.jtsgry == '0' && sqyxForm.jtpslx == '0'">A.夫妻双方均符合共有产权住房申购条件且共同申购</el-radio
            ><br />
            <el-radio label="1" class="mb10" :disabled="sqyxForm.jtsgry == 1">B.港澳青年</el-radio>
            <br />
            <el-radio label="2" class="mb10" :disabled="sqyxForm.jtsgry == 1">C.二孩以上家庭</el-radio>
            <br />
            <el-radio label="3" :disabled="sqyxForm.jtsgry == 1">D.经区政府批准的优先保障对象</el-radio>
          </el-radio-group>
        </el-form-item>

// elementui信息
<el-form :model="addQueTable" ref="addQueTable" :rules="addQueRulesList">
<el-form>
// data中定义rules
updateQusRulesSel:[];
updateQusRules:[];
// computed方法
computed: {
// this.updateQusTable.showSelect自己定义的标识
    updateQusRulesList: function() {
        if (this.updateQusTable.showSelect) {
		    return this.updateQusRulesSel;
	    } else {
		    return this.updateQusRules;
    }
}