给el-dialog加loading,背景色设置
<el-dialog width="600px" :visible.sync="guidebookVisible" v-if="guidebookVisible" :close-on-click-modal="false" title="名称" @submit.native.prevent v-loading="guidebookloading" element-loading-background="rgba(170, 170, 170, 0.5)" > <div style="margin-top: 20px; text-align: center"> <el-button size="mini" @click="guidebookVisible = false">取消</el-button> </div> </el-dialog>