最近要把vue项目兼容ie11 前面引入bable等一系列操作就不说了，下面说一下具体具体的问题
1 如图所示 SyntaxError: strict 模式下不允许一个属性有多个定义， 点击stack所在行后面的省略号 出现具体的vue文件
可以看到 dirTuihuibz.vue里面有属性重复问题
<el-form-item label="设备类型"><el-select v-model="equipmentId" placeholder="" clearable @clear="getdirCheHuiTables" placeholder="请选择设备类型名称"><el-optionv-for="item in equipInfoOptions":key="item.id":label="item.descrbution":value="item.descrbution"></el-option></el-select></el-form-item>
可以看到我有2个placeholder 删掉没有用的placeholder就可以了
2 级联选择器在禁用状态下回显内容不显示
.el-cascader__tags .el-tag{display: inline;}
给 span 标签 加上display:inline
3 ie11下载excel文件需要用navigator.msSaveBlob(blob,contentDispositionFileName)
//下载excledownloadExcel(){this.$axios({url: this.api.api_eventdeclartion.downloadExcel+'?subject='+this.searchObj.title+'&id='+this.searchObj.bizKey,method: 'post',responseType: 'blob',}).then((response) => {const data =response.datalet r = new FileReader()r.onload = function () {try {let resData = JSON.parse(this.result)if(resData.code){if(resData.code==401){localStorage.clear();window.open(resData.redirectUrl,'_self');}}} catch (e) {}}r.readAsText(data)this.download(response);}).catch((error) => {});},download(data) {if (!data) {return}var blob = new Blob([data.data])var aLink = document.createElement("a");const contentDisposition = data.headers['content-disposition'];const contentDispositionFileName = decodeURI(contentDisposition.split('=')[1]);if (!!window.ActiveXObject || "ActiveXObject" in window || navigator.userAgent.indexOf("Edge") > -1) {navigator.msSaveBlob(blob,contentDispositionFileName)} else {var url = window.URL.createObjectURL(blob);aLink.style.display = "none";aLink.download=contentDispositionFileNameaLink.href = url;document.body.appendChild(aLink)aLink.click()}},
VUE项目兼容IE11 遇见的问题 SyntaxError: strict 模式下不允许一个属性有多个定义；ie11下载excel文件需要用navigator.msSaveBlob
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