表單：

<el-form :model="site" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
            <el-form-item label="酷站分類" prop="site_node_id">
                <el-select v-model="site.site_node_id" placeholder="請選擇酷站分類">
                    <el-option v-for="item in site_nodes"
                               :key="item.id"
                               :label="item.name"
                               :value="item.id">
                    </el-option>
                </el-select>
            </el-form-item>
        <el-form-item label="酷站名稱" prop="name">
            <el-input v-model="site.name"></el-input>
        </el-form-item>

        <el-form-item label="縮圖" prop="photo_id">
            <el-upload
                    class="avatar-uploader"
                    action="/photos"
                    :show-file-list="false"
                    :on-success="handleAvatarSuccess"
                    :before-upload="beforeAvatarUpload"
            >
                <img v-if="site.image" :src="site.image" class="avatar">
                <i v-else class="el-icon-plus avatar-uploader-icon"></i>
            </el-upload>
        </el-form-item>

        <el-form-item label="是否顯示" prop="is_show">
            <el-switch v-model="site.is_show"></el-switch>
        </el-form-item>

        <el-form-item label="酷站地址" prop="url">
            <el-input v-model="site.url"></el-input>
        </el-form-item>

        <el-form-item label="簡單描述" prop="desc">
            <el-input type="textarea" v-model="site.desc"></el-input>
        </el-form-item>
        <el-form-item>
            <el-button type="primary" @click="submitForm('ruleForm')">立即建立</el-button>
            <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
    </el-form>
 

data：

site: {
                    name: '',
                    image: '',
                    url: '',
                    sort: 99,
                    is_show: true,
                    desc: '',
                    photo_id: '',
                    site_node_id: ''
                }

方法：

submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        axios.post(`/admin/site`,this.site)
                            .then((res)=>{
                                console.log(res);
                            })
                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
 

當我們提交到後臺的資料後，後臺因為提交的欄位多餘表的欄位無法插入，
方法1：自己重新組裝陣列提交
方法2：在模型中設定白名單（需要的插入欄位）或者黑名單（排除不要的欄位）