{"id":331935,"date":"2023-05-17T20:21:57","date_gmt":"2023-05-17T12:21:57","guid":{"rendered":"https:\/\/www.idc.net\/help\/331935\/"},"modified":"2023-05-17T20:21:57","modified_gmt":"2023-05-17T12:21:57","slug":"java%e5%a6%82%e4%bd%95%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8f%e6%b3%a8%e5%86%8c%ef%bc%9f%e8%bf%99%e6%ac%a1%e5%bd%bb%e5%ba%95%e6%98%8e%e7%99%bd%e4%ba%86","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/331935\/","title":{"rendered":"Java\u5982\u4f55\u9632\u6b62\u6076\u610f\u6ce8\u518c\uff1f\u8fd9\u6b21\u5f7b\u5e95\u660e\u767d\u4e86"},"content":{"rendered":"

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\u6076\u610f\u6ce8\u518c\u901a\u5e38\u662f\u6307\u4f7f\u7528\u81ea\u52a8\u5316\u811a\u672c\u6216\u8005\u673a\u5668\u4eba\u5728\u77ed\u65f6\u95f4\u5185\u8fdb\u884c\u5927\u91cf\u7684\u6ce8\u518c\u884c\u4e3a\uff0c\u8fd9\u79cd\u884c\u4e3a\u4f1a\u5bf9\u7cfb\u7edf\u9020\u6210\u538b\u529b\uff0c\u751a\u81f3\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u762b\u75ea\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n

1\u3001\u6dfb\u52a0\u9a8c\u8bc1\u7801<\/span><\/h3>\n

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\/\/ \u5728\u6ce8\u518c\u9875\u9762\u6dfb\u52a0\u9a8c\u8bc1\u7801\n@RequestMapping(value = \"\/register\", method = RequestMethod.GET)\npublic String showRegisterPage(Model model) {\n    Captcha captcha = captchaService.generateCaptcha();\n    model.addAttribute(\"captchaId\", captcha.getId());\n    return \"register\";\n}\n\n\/\/ \u9a8c\u8bc1\u9a8c\u8bc1\u7801\n@RequestMapping(value = \"\/register\", method = RequestMethod.POST)\npublic String register(@RequestParam(\"captchaId\") String captchaId, @RequestParam(\"captcha\") String captcha, User user) {\n    boolean valid = captchaService.validateCaptcha(captchaId, captcha);\n    if (!valid) {\n        return \"register\";\n    }\n    userService.register(user);\n    return \"success\";\n}<\/code><\/pre>\n
2\u3001IP \u9650\u5236<\/span><\/h3>\n
\u53ef\u4ee5\u5bf9\u6ce8\u518c\u884c\u4e3a\u6765\u81ea\u7684 IP \u5730\u5740\u8fdb\u884c\u9650\u5236\u3002\u5982\u679c\u4e00\u4e2a IP \u5730\u5740\u5728\u77ed\u65f6\u95f4\u5185\u8fdb\u884c\u4e86\u8fc7\u591a\u7684\u6ce8\u518c\u884c\u4e3a\uff0c\u53ef\u4ee5\u5bf9\u8be5 IP \u5730\u5740\u8fdb\u884c\u9650\u5236\uff0c\u4f8b\u5982\u9650\u5236\u8be5 IP \u5730\u5740\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4e0d\u80fd\u8fdb\u884c\u6ce8\u518c\u884c\u4e3a\u3002<\/p>\n
\/\/ \u5bf9 IP \u8fdb\u884c\u9650\u5236\npublic boolean checkIp(String ip) {\n    int count = userMapper.countByIp(ip, new Date(System.currentTimeMillis() - 24 * 60 * 60 * 1000)); \/\/ \u9650\u5236\u4e00\u5929\u5185\u7684\u6ce8\u518c\u884c\u4e3a\n    if (count >= 10) { \/\/ \u5982\u679c\u4e00\u4e2a IP \u5730\u5740\u5728\u4e00\u5929\u5185\u6ce8\u518c\u884c\u4e3a\u8d85\u8fc710\u6b21\uff0c\u5c31\u7981\u6b62\u8be5 IP \u5730\u5740\u8fdb\u884c\u6ce8\u518c\u884c\u4e3a\n        return false;\n    }\n    return true;\n}<\/code><\/pre>\n
3\u3001\u6dfb\u52a0\u6ed1\u52a8\u9a8c\u8bc1<\/span><\/h3>\n
\u9664\u4e86\u9a8c\u8bc1\u7801\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6ed1\u52a8\u9a8c\u8bc1\u6765\u9632\u6b62\u673a\u5668\u4eba\u8fdb\u884c\u6076\u610f\u6ce8\u518c\u3002\u6ed1\u52a8\u9a8c\u8bc1\u9700\u8981\u7528\u6237\u8fdb\u884c\u624b\u52a8\u6ed1\u52a8\uff0c\u673a\u5668\u4eba\u65e0\u6cd5\u6a21\u62df\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n
\/\/ \u5728\u6ce8\u518c\u9875\u9762\u6dfb\u52a0\u6ed1\u52a8\u9a8c\u8bc1\n@RequestMapping(value = \"\/register\", method = RequestMethod.GET)\npublic String showRegisterPage(Model model) {\n    SlideVerify slideVerify = slideVerifyService.generateSlideVerify();\n    model.addAttribute(\"slideVerifyId\", slideVerify.getId());\n    return \"register\";\n}\n\n\/\/ \u9a8c\u8bc1\u6ed1\u52a8\u9a8c\u8bc1\n@RequestMapping(value = \"\/register\", method = RequestMethod.POST)\npublic String register(@RequestParam(\"slideVerifyId\") String slideVerifyId, @RequestParam(\"slideVerify\") String slideVerify, User user)<\/code><\/pre>\n
4\u3001\u6dfb\u52a0\u90ae\u7bb1\u9a8c\u8bc1<\/span><\/h3>\n
\u4e3a\u4e86\u786e\u4fdd\u6ce8\u518c\u884c\u4e3a\u6765\u81ea\u4e8e\u6709\u6548\u7684\u90ae\u7bb1\u5730\u5740\uff0c\u53ef\u4ee5\u5728\u6ce8\u518c\u6210\u529f\u540e\u5411\u7528\u6237\u53d1\u9001\u90ae\u4ef6\u8fdb\u884c\u9a8c\u8bc1\u3002\u53ea\u6709\u901a\u8fc7\u90ae\u7bb1\u9a8c\u8bc1\u7684\u7528\u6237\u624d\u80fd\u8fdb\u884c\u6b63\u5e38\u7684\u64cd\u4f5c\u3002<\/p>\n
\/\/ \u6ce8\u518c\u6210\u529f\u540e\u53d1\u9001\u9a8c\u8bc1\u90ae\u4ef6\n@RequestMapping(value = \"\/register\", method = RequestMethod.POST)\npublic String register(User user) {\n    userService.register(user);\n    emailService.sendValidationEmail(user.getEmail(), user.getValidationCode());\n    return \"success\";\n}\n\n\/\/ \u90ae\u7bb1\u9a8c\u8bc1\n@RequestMapping(value = \"\/validate\", method = RequestMethod.GET)\npublic String validate(@RequestParam(\"email\") String email, @RequestParam(\"code\") String code) {\n    userService.validate(email, code);\n    return \"success\";\n}<\/code><\/pre>\n
5\u3001\u6dfb\u52a0\u9ed1\u540d\u5355<\/span><\/h3>\n
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\/\/ \u5c06\u6076\u610f\u7528\u6237\u6dfb\u52a0\u5230\u9ed1\u540d\u5355\u4e2d\n@RequestMapping(value = \"\/register\", method = RequestMethod.POST)\npublic String register(User user) {\n    if (blacklistService.isBlacklisted(user)) {\n        return \"blacklist\";\n    }\n    userService.register(user);\n    return \"success\";\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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