warning如下

warnAboutDeprecatedCJSRequire.js:17 Warning: Please use require("history").createHashHistory instead of require("history/createHashHistory"). Support for the latter will be removed in the next major release.

出现问题的环境："dva": "^2.4.1"

解决方式

• 1. 找到node_modules文件夹下的dva/lib/index.js
• 2. 搜索 history ,找到该行代码
• 3. 代码替换

// var _createHashHistory = _interopRequireDefault(require("history/createHashHistory"));
var _createHashHistory = _interopRequireDefault(require("history").createHashHistory);

• 4. 重新启动项目