element-ui el-table表格固定表头代码示例
前提：table内容过高时页面滚动到下方后，表头看不见无法明确各列的含义1. 官网给出两种种属性来固定表头 height 以及 max-height；但是有个问题就是 height高度会被定死，max-height无法适应不同分辨率的情况
<el-table ref="multipleTable" :data="listData" height="200" class="img-tab">
<el-table-column label="序号" prop="pagingCustomOrder" align="center" width="80" />
<el-table-column align="center" label="报警时间" prop="warningTime" />
<el-table-column align="center" label="企业名称" prop="companyName" />
</el-table><el-table ref="multipleTable" :data="listData" max-height="200" class="img-tab">
<el-table-column label="序号" prop="pagingCustomOrder" align="center" width="80" />
<el-table-column align="center" label="报警时间" prop="warningTime" />
<el-table-column align="center" label="企业名称" prop="companyName" />
</el-table>2. 可以进行样式控制表格高度，达到固定表头的需求，就可以避免高度定死的情况
<el-table ref="multipleTable" :data="listData" class="scroll-tab">
<el-table-column label="序号" prop="pagingCustomOrder" align="center" width="80" />
<el-table-column align="center" label="报警时间" prop="warningTime" />
<el-table-column align="center" label="企业名称" prop="companyName" />
</el-table>// table表头固定
.el-table.scroll-tab{
overflow: auto;
max-height: calc(100% - 200px);
}
.scroll-tab .el-table__header-wrapper{
position: sticky;
top: 0;//这个值根据实际情况而定
z-index: 10;
}3. 若是表格宽度也超出内容，需要横向滚动+竖向滚动
// table表头固定
.el-table.scroll-tab{
overflow: hidden;
height: calc(100% - 200px);
}
.scroll-tab .el-table__header-wrapper{
position: sticky;
top: 0;//这个值根据实际情况而定
z-index: 10;
}
.scroll-tab .el-table__body-wrapper {
height: calc(100% - 60px);
overflow: auto;
}附：el-table固定表头（设置height）出现内容过多时不能滚动问题
主要原因是el-table没有div包裹
解决：加一个div并设置其高度和overflow
我自己的主要代码
<div class="contentTable">
<el-table
ref="table"
:data="tableData"
stripe
@row-dblclick="onRowDblclick"
height="100%"
>
<el-table-column
type="index"
align="center"
label="序号"
width="50"
></el-table-column>
<el-table-column
prop="templateName"
align="center"
label="模板名称"
width="150"
></el-table-column>
<el-table-column
prop="mainContent"
align="center"
label="主要内容"
></el-table-column>
<el-table-column
prop="devContent"
align="center"
label="活动措施和设备状态"
></el-table-column>
<el-table-column prop="operate" align="center" label="操作" width="80">
<template slot-scope="scope">
<el-button
size="mini"
class="delete-btn"
@click="onDelete(scope.row)"
title="删除"
v-isLogin
></el-button>
</template>
</el-table-column>
</el-table>
</div>css代码：
.contentTable {
height: calc(100% - 50px) !important;
overflow: scroll;
}
.contentTable >>> .el-table__body-wrapper::-webkit-scrollbar {
width: 10px;
height: 8px;
}-webkit-scrollbar用来加滚动条的！！！
页面所有代码：
<template><el-dialog :title="title" :visible.sync="visible" class="template-query" @opened="openInit" append-to-body width="80%"> <el-form :model="form" ref="form" :inline="true" style="text-align: right" size="small" > <el-form-item label="模板名称：" prop="templateName"> <el-input v-model="form.templateName" maxlength="20" v-special-code ></el-input> </el-form-item> <el-form-item> <el-button type="primary" @click="onQuery">查询</el-button> <el-button type="primary" @click="onReset">重置</el-button> </el-form-item> </el-form> <div class="contentTable">
<el-table
ref="table"
:data="tableData"
stripe
@row-dblclick="onRowDblclick"
height="100%"
>
<el-table-column
type="index"
align="center"
label="序号"
width="50"
></el-table-column>
<el-table-column
prop="templateName"
align="center"
label="模板名称"
width="150"
></el-table-column>
<el-table-column
prop="mainContent"
align="center"
label="主要内容"
></el-table-column>
<el-table-column
prop="devContent"
align="center"
label="活动措施和设备状态"
></el-table-column>
<el-table-column prop="operate" align="center" label="操作" width="80">
<template slot-scope="scope">
<el-button
size="mini"
class="delete-btn"
@click="onDelete(scope.row)"
title="删除"
v-isLogin
></el-button>
</template>
</el-table-column>
</el-table>
</div></el-dialog></template><script>import { listTemplatesByType } from "@/api/template.js";import { removeTemplate } from "@/api/template.js";import { getBizcodeList } from "@/api/common.js";export default {props: { templateQueryVisible: { type: Boolean, default: false, }, type: { type: String, default: "", }, typeName: { type: String, default: "", },},data() { return { title: "", form: { templateName: "", }, headField: [], //表头信息 tableData: [], //表格数据 };},computed: { visible: { get() { return this.templateQueryVisible; }, set(val) { this.$emit("update:templateQueryVisible", val); }, },},mounted() {},methods: { //打开窗口初始化 openInit() { this.title = this.typeName + "模板管理"; this.form.templateName = ""; //根据type查询表头信息 // listGridHeadByType({ type: this.type }).then(async (res) => { // var headFieldList = JSON.parse(res.data.data); // for (var i = 0; i < headFieldList.length; i++) { // if ("codeType" in headFieldList) { // await getBizcodeList(headFieldList.codeType).then((res) => { // headFieldList["codeList"] = res.data.data; // }); // } // } // this.headField = headFieldList; // }); //查询模板数据 this.onQuery(); }, //删除 onDelete(row) { var that = this; this.$confirm("确定删除该模板？", "提示", { confirmButtonText: "确定", cancelButtonText: "取消", type: "warning", }).then(() => { removeTemplate(row.id).then((res) => { if (res.data.code == "1") { that.$message({ type: "success", message: "删除模板成功！", }); that.onQuery(); } else { that.$message({ type: "error", message: "保存模板失败！", }); } }); }); }, //双击行加载模板数据 onRowDblclick(row) { if (row.id) { delete row.id; } if (row.ID) { delete row.ID; } this.$emit("loadTemplateData", row); }, //查询 onQuery() { //根据type查询模板数据 listTemplatesByType({ type: this.type, name: this.form.templateName, }).then((res) => { var resData = res.data.data; var tableData = []; console.log(resData); if (resData) { for (var i = 0; i < resData.length; i++) { var content = JSON.parse(resData.content); let res = { id: resData.id, templateName: resData.name, mainContent: content.mainContent, devContent: content.devContent, }; tableData.push(res); } this.tableData = tableData; } else { this.tableData = []; } }); }, //重置 onReset() { if (this.$refs.form) { this.$refs.form.resetFields(); this.onQuery(); } }, //渲染表格列 itemFormatter(cellValue, codeList) { if (codeList && cellValue) { // return this.$common.renderCodeId(cellValue, codeList); return this.$common.renderCode(cellValue, "ID", "TEXT", codeList); } else { return cellValue; } },},};</script><style scoped>.template-query >>> .el-dialog__body {height: 600px;}.template-query >>> .el-form-item__label {width: 85px !important;}.delete-btn {background-image: url("~@/assets/imgs/delete.png");width: 23px;height: 23px;padding-left: 5px;cursor: pointer;background-repeat: no-repeat;}.contentTable {
height: calc(100% - 50px) !important;
overflow: scroll;
}
.contentTable >>> .el-table__body-wrapper::-webkit-scrollbar {
width: 10px;
height: 8px;
}</style>总结
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