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tooltip实现悬停内容染色
一: 通过highlight.js项目实现对json字符串的染色高亮
此项目是jsp文件,并且引用了element-ui/highlight.js的组件，对tooltip中的json文本（理论上支持highlight所支持的所有项目）进行高亮并格式化
二: 实现效果
三: 代码实现
关键点在于成功引入相关的js及css，并且在tooltip渲染时进行数据染色。再将染色后的数据放到v-html中进行页面渲染(关键方法: highlightedData)
'; }, handleSizeChange(val) { this.pageData.pageSize = val; this.search() }, handleCurrentChange(val) { this.pageData.currentPage = val; this.search() }, search() { let applicationNo = this.searchForm.applicationNo; let merchantNo = this.searchForm.merchantNo; if ((applicationNo && applicationNo !== '') || (merchantNo && merchantNo !== '')) { this.loading = true; this.$http.post('../flowService/queryRecordByApplicationNo', { applicationNo: applicationNo, merchantNo: merchantNo, currentPage: this.pageData.currentPage, pageSize: this.pageData.pageSize } ).then(res => { if (res.body.status === 'success') { this.tableData = res.body.object.flowServiceRecords this.pageData.total = res.body.object.total; this.setSerialNumbers(this.tableData); } else { alert(res.body.errorMessage); } this.loading = false; }) } else { this.loading = false; this.$message({ message: '请至少输入一个参数!', type: 'warning' }); } }, setSerialNumbers(data, parentSerial = '') { let serial = 1; for (const item of data) { item.index = parentSerial + serial; serial++; if (item.subFlowServiceRecords && item.subFlowServiceRecords.length > 0) { this.setSerialNumbers(item.subFlowServiceRecords, item.index + '.'); } } } } }) script> body> html><%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@ include file="/WEB-INF/pages/main/taglibs.jsp" %> DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>主子服务查询title> <script src="${pageContext.request.contextPath}/js/vueEle/2.7/vue.js">script> <script src="${pageContext.request.contextPath}/js/vueEle/js/lib/vue-resource.js">script> <script src="${pageContext.request.contextPath}/js/vueEle/2.7/vueEle.js">script> <script src="${pageContext.request.contextPath}/js/highlight/es/highlight.min.js">script> <link rel="stylesheet" href="${pageContext.request.contextPath}/js/vueEle/2.7/vueEle.css"> <link href="${pageContext.request.contextPath}/js/highlight/styles/atom-one-dark-reasonable.min.css" rel="stylesheet" type="text/css"> <style> <%-- 解决文本过长显示不开的问题 --%> .el-tooltip__popper { /*border-left: 20px solid #000000; !* 设置左侧边框为10px宽，颜色为黑色 *!*/ /*border-right: 10px solid #000000; !* 设置左侧边框为10px宽，颜色为黑色 *!*/ /*max-height: 700px;*/ /*max-width: 800px;*/ max-height: 95%; max-width: 65%; overflow-y: auto; /* 滑动框 */ /*white-space: pre;*/ /*word-wrap: break-word;*/ text-align: left; /*文本靠左对齐*/ } style> head> <body> <div id="app" style="width: 100%"> <template> <el-container> <el-header> <el-form ref="form" :model="searchForm" label-width="150px" style="margin: 10px 10px 10px 10px;float: left" :inline="true" @keyup.enter.native="search"> <el-row> <el-col> <el-form-item label="工单号"> <el-input v-model="searchForm.applicationNo">el-input> el-form-item> <el-form-item label="商编号"> <el-input v-model="searchForm.merchantNo">el-input> el-form-item> <el-form-item> <el-button type="primary" @click="search">查询el-button> el-form-item> el-col> el-row> el-form> el-header> <el-main> <el-table v-loading="loading" :data="tableData" style="width: 100%;margin-bottom: 20px;" row-key="index" border empty-text="无数据" property="sid" show-overflow-tooltip="true" label="" min-width="1" <%-- default-expand-all--%> :tree-props="{children: 'subFlowServiceRecords', hasChildren: 'hasChildren'}"> <el-table-column prop="index" label="序号" width="100">el-table-column> <el-table-column prop="applicationNo" label="工单号"> el-table-column> <el-table-column prop="merchantNo" label="商编号" width="150"> el-table-column> <el-table-column prop="serviceName" label="步骤"> el-table-column> <el-table-column prop="status" label="状态" width="80"> el-table-column> <el-table-column label="请求信息" width="100" > <template slot-scope="scope" v-if="scope.row.mainServiceData"> <el-tooltip placement="left"> <div slot="content" v-html='highlightedData(scope.row.mainServiceData)'>div> <el-button @click="copyData(scope.row.mainServiceData)">复制el-button> el-tooltip> template> el-table-column> <el-table-column prop="startTime" label="开始时间" width="180"> el-table-column> <el-table-column prop="endTime" label="结束时间" width="180"> el-table-column> el-table> <div class="block"> <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :page-size="pageData.pageSize" :page-sizes="[10, 20, 30, 40]" layout="total, sizes, prev, pager, next" :total="pageData.total"> el-pagination> div> el-main> el-container> template> div> <script> new Vue({ el: '#app', data() { return { loading: false, tableData: [], pageData: { currentPage: 1, pageSize: 10, total: 0, }, searchForm: { applicationNo: null, merchantNo: null } } }, methods: { copyData(data) { const textarea = document.createElement('textarea'); textarea.value = JSON.stringify(JSON.parse(data), null, 2); document.body.appendChild(textarea); textarea.select(); document.execCommand('copy'); document.body.removeChild(textarea); this.$message({ message: '复制成功(已格式化)!', type: 'success' }); }, highlightedData(code) { const language = 'json'; // 指定要高亮的语言，例如 JSON let code2 = JSON.stringify(JSON.parse(code), null, 2); code2 = hljs.highlight(language, code2).value; return '
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- 原文地址：https://blog.csdn.net/lovepeacee/article/details/134040517
