我要评论前提：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.$emit("update:templatequeryvisible", val);
},
},
},
mounted() {},
methods: {
//打开窗口初始化
openinit() {
this.title = this.typename + "模板管理";
this.form.templatename = "";
//根据type查询表头信息
// listgridheadbytype({ type: this.type }).then(async (res) => {
// var headfieldlist = json.parse(res.data.data);
// for (var i = 0; i < headfieldlist.length; i++) {
// if ("codetype" in headfieldlist[i]) {
// await getbizcodelist(headfieldlist[i].codetype).then((res) => {
// headfieldlist[i]["codelist"] = res.data.data;
// });
// }
// }
// this.headfield = headfieldlist;
// });
//查询模板数据
this.onquery();
},
//删除
ondelete(row) {
var that = this;
this.$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.$emit("loadtemplatedata", row);
},
//查询
onquery() {
//根据type查询模板数据
listtemplatesbytype({
type: this.type,
name: this.form.templatename,
}).then((res) => {
var resdata = res.data.data;
var tabledata = [];
console.log(resdata);
if (resdata) {
for (var i = 0; i < resdata.length; i++) {
var content = json.parse(resdata[i].content);
let res = {
id: resdata[i].id,
templatename: resdata[i].name,
maincontent: content.maincontent,
devcontent: content.devcontent,
};
tabledata.push(res);
}
this.tabledata = tabledata;
} else {
this.tabledata = [];
}
});
},
//重置
onreset() {
if (this.$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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