钢材网站模板,重庆市建设工程造价管理站,网站设计培训课程,做竞争小的网站效果图 安装codemirror依赖
本示例为Vue2项目#xff0c;安装低版本的依赖
npm i codemirror5.65.12
npm i vue-codemirror4.0.6
实现
实现代码如下#xff0c;里边涉及到的变量和函数自行替换即可#xff0c;没有其他复杂逻辑。
templatediv classp…效果图 安装codemirror依赖
本示例为Vue2项目安装低版本的依赖
npm i codemirror5.65.12
npm i vue-codemirror4.0.6
实现
实现代码如下里边涉及到的变量和函数自行替换即可没有其他复杂逻辑。
templatediv classpickerdiv classcode-editdiv classtop-title公式/divcodemirrorrefcodeEditorv-modelformulaStr:optionscmOptionsinputcodeMirrorChange/codemirror/divel-buttonsizeminiiconel-icon-settingclickinsertContent(表单4, variable)添加变量/el-buttonel-buttonsizeminiiconel-icon-settingclickinsertContent(SUM, func)添加函数/el-button/div/templatescript
import {codemirror} from vue-codemirror;
import codemirror/lib/codemirror.css;
import codemirror/theme/idea.css;export default {components: {codemirror},data() {return {cmOptions: {// 语言及语法模式mode: text/javascript,// 主题theme: idea,// 显示函数line: true,lineNumbers: false,// 软换行lineWrapping: true,// tab宽度tabSize: 4,},lang: javascript,formulaStr: 表单 表单1 * 表单11*表单12SUM(1,2) AVG(99,21) IF(),};},computed: {editor() {return this.$refs.codeEditor.codemirror;}},mounted() {this.focus(this.formulaStr)this.autoMarkText()},methods: {codeMirrorChange() {//获取 editor 的内容console.log(content1: this.formulaStr);console.log(content2: JSON.stringify(this.editor.getValue()));},addFormula(content, type) {this.insertContent(content, type)},/*** editor 中的对内容进行处理* param value* param type variable | funcvariable为表单变量需标记func 为函数也需要做标记*/insertContent(value, type) {const from this.editor.getCursor();if (type variable) {this.editor.replaceSelection(value);const to this.editor.getCursor();this.markText(from, to, value, cm-field);} else if (type func) {this.editor.replaceSelection(${value}());const to this.editor.getCursor();this.markText(from, {line: to.line, ch: to.ch - 2}, value, cm-func);this.editor.setCursor({line: to.line, ch: to.ch - 1});} else if (typeof value string) {this.editor.replaceSelection(value);}this.editor.focus();},autoMarkText() {if (this.formulaStr) {this.autoMark(this.formulaStr);this.focus(this.formulaStr);}},focus(value) {this.editor.setCursor({line: 0,ch: value ? value.length : 0});this.editor.focus()},markText(from, to, label, className) {if (className void 0) {className cm-func;}let text document.createElement(span);text.className className;text.innerText label;this.editor.markText(from, to, {atomic: true,replacedWith: text,});},/*** 解析 editor 的内容分别对表单变量和函数进行标记*/autoMark() {const editor this.editor;const lines editor.lineCount();for (let line 0; line lines; line) {const content editor.getLine(line);// 标记函数调用,匹配一个或多个连续的大写字母后面可以有任意数量的空白字符再紧跟一个左括号content.replace(/([A-Z])\s*\(/g, (_, func, pos) {this.markText({line: line, ch: pos}, {line: line, ch: pos func.length}, func, cm-func);return _;});// 标记表单变量,这应该是动态获取自行替换即可let vars [表单, 表单1, 表单11, 表单12];vars.forEach(v {let from 0;let idx -1;while (~(idx content.indexOf(v, from))) {this.markText({line: line, ch: idx}, {line: line, ch: idx v.length}, v, cm-field);from idx v.length;}});}},},
};
/scriptstyle langless scoped
.picker {height: 525px;text-align: left;width: 50%;margin: 0 auto;.code-edit {height: 240px;border-radius: 6px;border: 1px solid #e8e9eb;}
}
.top-title {background-color: #fafafa;height: 30px;vertical-align: center;line-height: 30px;padding-left: 10px;border-radius: 4px 4px 0 0;border-bottom: none;
}
/deep/ .CodeMirror {height: 200px !important;/*表单变量样式*/.cm-field {background: #007bff;padding: 3px 5px;border-radius: 3px;color: #fff;margin: 0 1px;}/*函数样式*/.cm-func {font-weight: bold;color: #ae4597;line-height: 14px;margin: 0 1px;padding: 0 2px;}.CodeMirror-scroll {width: 100%;}
}/style
