猿问

代码镜像。替换文本的简单方法？

我使用CodeMirror (5.58.2)来编辑文本。

new_cm = CodeMirror.fromTextArea(textarea_obj, param);

但是在文本区域中，我可以轻松替换文本，只需执行以下操作obj.value = obj.value.replace( /123/g, '3210'); 我可以在 CodeMirror 中做类似的事情吗？无需向用户提出任何接口请求。只是一个简单的“Make Replace”按钮和带有正则表达式模式的代码。


慕婉清6462132
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2回答

翻翻过去那场雪

这是一个例子......// start the editor instance  const new_cm = CodeMirror.fromTextArea(textarea_obj, param);// get the entire editor text from CodeMirror editor  let text = new_cm.getValue();// edit the text, for example  text = text.replace(/abc/g, '');// set the text back to the editor  new_cm.setValue(text);
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千巷猫影

我尝试了一下，效果非常好：<!doctype html><html>&nbsp; <head><title>CodeMirror</title><meta name="viewport" content="width=device-width, initial-scale=1.0" charset="UTF-8"><link rel=stylesheet href="https://CodeMirror.net/doc/docs.css"><link rel="stylesheet" href="" id="modeFile"><link rel="stylesheet" href="colorpicker/addon/codemirror-colorpicker.css" /><link rel="stylesheet" href="colorpicker/addon/codemirror-colorpicker.css" /><script src="https://CodeMirror.net/addon/hint/anyword-hint.js" id="anyword"></script><link rel="stylesheet" href="https://CodeMirror.net/lib/codemirror.css"><link rel="stylesheet" href="https://CodeMirror.net/addon/hint/show-hint.css"><link rel="stylesheet" href="https://CodeMirror.net/addon/dialog/dialog.css"><link rel="stylesheet" href="https://CodeMirror.net/addon/search/matchesonscrollbar.css"><script type="text/javascript" src="colorpicker/addon/codemirror-colorpicker.js"></script><script type="text/javascript" src="colorpicker/addon/codemirror-colorpicker.js"></script><script src="https://CodeMirror.net/lib/codemirror.js"></script><script src="https://CodeMirror.net/addon/edit/closetag.js"></script><script src="https://CodeMirror.net/addon/hint/show-hint.js"></script><script src="https://CodeMirror.net/addon/hint/sql-hint.js"></script>&nbsp;<script src="https://CodeMirror.net/addon/mode/loadmode.js"></script><script src="https://CodeMirror.net/mode/meta.js"></script><script src="https://CodeMirror.net/addon/hint/xml-hint.js"></script><script src="https://CodeMirror.net/addon/hint/html-hint.js"></script><script src="https://CodeMirror.net/addon/search/jump-to-line.js"></script><script src="https://CodeMirror.net/addon/hint/javascript-hint.js"></script><script src="https://CodeMirror.net/mode/xml/xml.js"></script><script src="https://CodeMirror.net/mode/javascript/javascript.js"></script><script src="https://CodeMirror.net/mode/css/css.js"></script><script src="https://CodeMirror.net/mode/htmlmixed/htmlmixed.js"></script><script src="https://CodeMirror.net/addon/dialog/dialog.js"></script>&nbsp;<script src="https://CodeMirror.net/addon/search/searchcursor.js"></script><script src="https://CodeMirror.net/addon/search/search.js"></script><script src="https://CodeMirror.net/addon/fold/xml-fold.js"></script><script src="https://CodeMirror.net/addon/scroll/annotatescrollbar.js"></script>&nbsp;<script src="https://CodeMirror.net/addon/search/matchesonscrollbar.js"></script><script src="https://CodeMirror.net/addon/runmode/runmode.js"></script><script src=" https://CodeMirror.net/addon/runmode/colorize.js"></script></head><body><div id="editor"></div><button onclick="find()">find</button><button onclick="replace()">replace</button><button onclick="JTL()"Jump-To-Line</button><button onclick="undo()">undo</button><button onclick="redo()">redo</button><script>function find() {&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; editor.execCommand('find');&nbsp; }&nbsp; function undo() {&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; editor.execCommand('undo');&nbsp; }&nbsp; function redo() {&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; editor.execCommand('redo');&nbsp; }&nbsp; function Replace() {&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; editor.execCommand('replace');&nbsp; }&nbsp; function JTL() {&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; editor.execCommand('jumpToLine');&nbsp; }</script><script>var editor = CodeMirror(document.getElementById('editor'),{&nbsp; &nbsp; &nbsp; mode: 'text/html',&nbsp; &nbsp; &nbsp; matchBrackets: true,&nbsp; &nbsp; &nbsp; lineNumbers: true,&nbsp; &nbsp; &nbsp; });</script></body></html>
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