<!DOCTYPE html> <html> <head> <title>Demo of ACE Editor</title> <!--导入js库--> <script src="./ace.js"></script> <script src="./ext-language_tools.js"></script> </head> <body> <!--代码输入框（注意请务必设置高度，否则无法显示）--> <pre id="code" class="ace_editor" style="min-height:400px"> <textarea class="ace_text-input"> #include int main(){ int n,m; scanf("%d %d",&n,&m); printf("%d",n+m); return 0; } </textarea> </pre> <script> //初始化对象 var editor = ace.edit("code"); //设置风格和语言（更多风格和语言，请到github上相应目录查看） var theme = "clouds" var language = "javascript" editor.setTheme("ace/theme/" + theme); editor.session.setMode("ace/mode/" + language); //字体大小 editor.setFontSize(18); //设置只读（true时只读，用于展示代码） editor.setReadOnly(false); //自动换行,设置为off关闭 editor.setOption("wrap", "free") //启用提示菜单 ace.require("ace/ext/language_tools"); editor.setOptions({ enableBasicAutocompletion: true, enableSnippets: true, enableLiveAutocompletion: true }); </script> </body> </html>