这篇文章主要介绍了SpringMVC请求的路径变量里面写正则表达式的相关知识，本文给大家介绍的非常详细，具有一定的参考借鉴价值,需要的朋友可以参考下
/** * * 限制路径变量里面的值只能是数字 * http://localhost:8080/test/getUser/1 * http://localhost:8080/test/getUser/a */ @RequestMapping("/getUser/{id:\d+}") public User getUser(@PathVariable(name = "id") String userId) { User user = new User(); user.setUsername(userId); user.setPassword(userId); return user; } public class User { private String username;
/** * http://localhost:8080/test/getUser02/1 * http://localhost:8080/test/getUser02/a */@RequestMapping("/getUser02/{id}") public User getUser02(@PathVariable(name = "id") Integer userId) { User user = new User(); user.setUsername(String.valueOf(userId)); user.setPassword(String.valueOf(userId)); return user;}
Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback.
Sun Sep 22 10:57:52 CST 2019
There was an unexpected error (type=Bad Request, status=400).
Failed to convert value of type 'java.lang.String' to required type 'java.lang.Integer'; nested exception is java.lang.NumberFormatException: For input string: "a"
总结
以上所述是小编给大家介绍的SpringMVC请求的路径变量里面写正则表达式的方法,希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对编程之家网站的支持！
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