webpack编译less出错 400 请求报错 

 问题描述：使用webpack编译并提取less文件时报错

ERROR in ./src/css/studio.less Module build failed: TypeError: require(...) is not a function at D:\Projects\Sprite\workflow-studio\src\css\studio.less:16:74 at ContextifyScript.Script.runInContext (vm.js:35:29) at ContextifyScript.Script.runInNewContext (vm.js:41:15) at Object.extractLoader (D:\Projects\Sprite\workflow-studio\node_modules\extract-loader\lib\extractLoader.js:88:12)

       { test:/.less$/, use: [ 'file-loader', 'extract-loader','style-loader', 'css-loader','less-loader'] },