SELECT array_length(regexp_split_to_array(gs.gss,'ss'),1)-1 as num from table gs若有特殊字符，用\转译如下，查询 /* 和 */出现的次数不相等的记录：（*是特殊字符）SELECT * from (SELECT array_length(regexp_split_to_array(gs.gss,'/\*'),1)-1

Mapper 中参数类型用 Datexml中接受值用TIMESTAMP:#{startTime,jdbcType=TIMESTAMP}注: xml中判断参数是否有值， 只用null就行，千万不能用字符串startTime != '' ,如下：<if test="startTime!= null">and start_time &gt;= #{startTime,jdbcType

默认样式：更改颜色为：css:/*带背景的分页按钮背景色begin*/.el-pagination.is-background .el-pager li:not(.disabled).active {background-color: #08C0B9;color: #FFF;}.el-pagination.is-background ....

el-table 加 class="customer-no-border-table"/*去掉表格单元格边框*/.customer-no-border-table th{border:none;}.customer-no-border-table td,.customer-no-border-table th.is-leaf {border:none;}/*表格最外边框*/.customer-no

1.el-table加:row-class-name="xxxTableRowClassName"2.methods 中加方法xxxTableRowClassName({row, rowIndex}) {if (rowIndex%2==0) {return 'statistics-warning-row';} else {return '';}},3.css中加样式.el-table__row.s

1.1. css 多选下拉框内容过长-用...代替/*下拉选择框-多选-内容过长-用...代替begin*/.el-tag.el-tag--info {background-color: #f4f4f5;border-color: #e9e9eb;color: #909399;max-width: calc(100% - 50px);/* white-space: nowrap;tex...

1.main.js :import router from './router'2.router文件夹下建index.jsimport Vue from 'vue'import Router from 'vue-router'import Home from '@/components/Home'import DiagnosisResultData from ...

vue dialog请求页面的时候，第二次之后打开，不会查询重新请求数据，需要加v-if="dialogLookVisible"原始：<el-dialog title="查看xxx":visible.sync="dialogLookVisible" width="100%;" :close-on-click-modal='false' ><iframe...

在 <el-dialog中加上 :modal-append-to-body="false"

data() {let validateInput = (rule, value, callback) => {if (!this.checkSpecialKey(value)) {callback(new Error("不能含有特殊字符！！"));} else {callback();...