el-table表格排序(需要后端判别)，el-table导出功能(向后端发送请求)-编程知识

（1）表格排序

（2）简单的table导出功能（需要后台支撑）必须要有iframe

（3）页面所有代码：

<template><div class="mainContainer"><el-form:model="form"ref="form"label-width="100px"label-position="left"class="scoreForm"><el-form-item class="examTopdiv"><el-col :span="8"><el-form-item label="时间"><el-col :span="11"><el-form-item prop="startTime"><el-date-pickersize="small"type="date"placeholder="选择日期"v-model="form.startTime"></el-date-picker></el-form-item></el-col><el-col class="line" :span="2">-</el-col><el-col :span="11"><el-form-item prop="endTime"><el-date-pickersize="small"type="date"placeholder="选择日期"v-model="form.endTime"></el-date-picker></el-form-item></el-col></el-form-item></el-col><el-col :span="5"><el-form-item label="人员姓名" prop="userName" class="name"><el-inputsize="small"v-model="form.userName"placeholder="姓名"maxlength="20"></el-input></el-form-item></el-col><el-col :span="3"><el-form-item style="display: inline-block"><el-form-item label="学号" prop="studentNo" class="name"><el-inputsize="small"v-model="form.studentNo"placeholder=""maxlength="20"></el-input></el-form-item></el-form-item></el-col><el-col :span="8" class="colMain"><el-button size="small" @click="onSearch" class="operBtn"><i class="el-icon-query1 el-icon--left"></i>查询</el-button><el-button size="small" @click="onResetForm" class="operBtn"><i class="el-icon-reset1 el-icon--left"></i>重置</el-button><el-button class="exportButton" size="small" @click="onExportTable"><i class="el-icon-expert1 el-icon--left"></i>导出</el-button></el-col></el-form-item></el-form><el-tablev-loading="loading"element-loading-text="拼命加载中"element-loading-spinner="el-icon-loading"element-loading-background="transparent":data="tableData"empty-text=" "borderid="mainTable"stripeheight="calc(100% - 90px)"style="width: 100%"@sort-change="sortChange"><el-table-columntype="index"align="center"label="序号":index="indexMethod"width="80"></el-table-column><el-table-columnprop="userName"align="center"label="姓名"sortable="custom"></el-table-column><el-table-columnprop="studentNo"align="center"sortable="custom"label="学号"></el-table-column><el-table-columnprop="duration"align="center"label="练习时长"sortable="custom"></el-table-column><el-table-columnprop="avgScore"align="center"sortable="custom"label="平均分"></el-table-column></el-table><paginationv-show="total > 0":total="total":page.sync="form.pageIndex":limit.sync="form.pageSize"@pagination="getAllExamData"/><!-- <PDFExport:dialogPDFExportFormVisible.sync="dialogPDFExportFormVisible"@handleFormVisible="setPDFExportFormVisible":PDFExportData.sync="selectPDFExportData"></PDFExport> --><iframe id="export" style="display: none"></iframe> </div>
</template><script>
// import PDFExport from "@/views/sim/score/pdfExport.vue";
import pagination from "@/components/Pagination";
import { pagePersonStat } from "@/api/sim/personnelStatistics.js";export default {components: { pagination },data() {return {form: {startTime: this.$timeManage.days90Time().startTime,endTime: this.$timeManage.days90Time().endTime,studentNo: "",userName: "",trainType: "1",pageIndex: 0,pageSize: 20,sortField: "",sortOrder: "",},loading: true,examNames: [],total: 0,dialogFormVisible: false,dialogPDFExportFormVisible: false,manualScoreDlgVisible: false,selectData: "", //详情页面传递值manualSelectData: null,score: "",selectPDFExportData: "", //pdf导出页面传递值tableData: [],};},methods: {// 分页序号indexMethod(index) {index = index + 1 + this.form.pageIndex * this.form.pageSize;return index;},// 查询所有表格信息getAllExamData() {if (this.form.startTime > this.form.endTime &&this.form.startTime != null &&this.form.endTime != null) {this.$message.error("开始时间不能大于结束时间");this.loading = false;} else {pagePersonStat(this.form).then((res) => {this.tableData = res.data.data;this.total = res.data.total;this.loading = false;});}},//分数详情页面detailScore(index, row) {this.dialogFormVisible = true;this.selectData = row.exerId;this.score = row.totalGrade;},// 导出pdf页面exportPdf(index, row) {// console.log("222222" + row.exerId)this.selectPDFExportData = row.exerId;this.dialogPDFExportFormVisible = true;},addManualScore(index, row) {this.manualSelectData = row.exerId;this.manualScoreDlgVisible = true;},//父组件事件setFormVisible(val) {//console.log("子组件的值======" + JSON.stringify(val));this.dialogFormVisible = val.dialogFormVisible;this.getAllExamData();},//父组件事件setPDFExportFormVisible(val) {this.dialogPDFExportFormVisible = val.dialogPDFExportFormVisible;},setManualFormVisible(val) {this.manualScoreDlgVisible = val.dialogFormVisible;this.getAllExamData();},// 重置onResetForm() {this.resetForm();this.getAllExamData();},resetForm() {this.$refs["form"].resetFields();},// 查询onSearch() {this.loading = true;var result = this.$timeManage.validate90Days(this.form.startTime,this.form.endTime);if (result != "true") {this.$message({type: "error",message: result,});this.loading = false;} else {this.getAllExamData();}},// 导出表格onExportTable() {if (this.tableData == null || this.tableData.length == 0) {this.$message({type: "warning",message: "数据为空，不能导出！",});return;}let tempForm = JSON.parse(JSON.stringify(this.form));let titleName = "人员统计";titleName = encodeURI(titleName);let dataStr = encodeURI(JSON.stringify(tempForm));document.getElementById("export").src ="/les/excel/back/export?serviceName=personStatExport&title=" +titleName +"&vars=" +dataStr;},//表头排序sortChange(param) {this.form.sortField = param.prop;var order = param.order;if (order == "ascending") {this.form.sortOrder = "asc";} else if (order == "descending") {this.form.sortOrder = "desc";}this.getAllExamData();},},created() {},mounted() {this.getAllExamData();},
};
</script><style scoped>
.examTopdiv {height: 40px;line-height: 40px;/* background: linear-gradient(to right,#88bfcf, #b6e0d7); */background: #3b424d;margin-bottom: 0px;
}.examTopdiv >>> .el-form-item__content {line-height: 40px;margin-left: 0px;
}
/* .examTopdiv .el-input__inner{background: #e6e6e6;border-radius: 0px;border: 1px solid #B3B3B3;
} */
.examTopdiv > .el-form-item__content {margin-left: 0px !important;
}
.examTopdiv >>> .el-form-item__label {line-height: 40px;font-size: 14px;text-align: right;
}
.exportButton {margin-right: 16px;
}
.examHeader {height: 40px !important;
}
.examTopdiv >>> .line {text-align: center;
}.formHeader {height: 40px !important;
}/* .el-table th{background: #b4ded7;color: #606266;} */
/* #mainTable .el-table th>.cell{font-size: 18px;} */.mainContainer {height: calc(100vh - 100px);overflow: hidden;
}.colMain {text-align: right;
}.examTopdiv >>> .el-date-editor.el-input,
.examTopdiv >>> .el-date-editor.el-input__inner {width: 100%;
}
.scoreForm {margin-bottom: 10px;
}.el-icon-expert1 {width: 16px;height: 16px;vertical-align: middle;background: url("../../../assets/target/expert.png") no-repeat;
}.el-icon-reset1 {width: 16px;height: 16px;vertical-align: middle;background: url("../../../assets/target/reset.png") no-repeat;
}.el-icon-query1 {width: 16px;height: 16px;vertical-align: middle;background: url("../../../assets/target/query.png") no-repeat;
}/* .operBtn {font-Size:16px;width: 113px;height: 38px;vertical-align: middle;opacity: 1;border: none;background: url("../../../assets/menu/corner.png");
}.operBtn:focus,.operBtn:hover{text-shadow: 0 0 10px rgb(58, 135, 235),0 0 20px rgb(58, 135, 235),0 0 30px rgb(58, 135, 235),0 0 40px rgb(58, 135, 235);
} */.el-icon-check1 {width: 16px;height: 16px;vertical-align: middle;background: url("../../../assets/target/check.png") no-repeat;
}.el-icon-preview1 {width: 16px;height: 16px;vertical-align: middle;background: url("../../../assets/target/preview.png") no-repeat;
}.el-icon--left {padding-right: 6px;padding-bottom: 6px;
}.el-icon--right {padding-right: 5px;padding-bottom: 6px;
}
</style><style>
.examTopdiv > .el-form-item__content {margin-left: 0px !important;
}.el-input__inner {border: #2d3035 1px solid;
}
</style>