{"id":2716,"date":"2020-12-16T09:12:09","date_gmt":"2020-12-16T01:12:09","guid":{"rendered":"http:\/\/127.0.0.2\/?p=2716"},"modified":"2021-01-01T14:36:24","modified_gmt":"2021-01-01T06:36:24","slug":"2020java%e6%a1%86%e6%9e%b6%e6%95%99%e7%a8%8b%e4%b9%8bspringmvc%e7%b1%bb%e5%9e%8b%e8%bd%ac%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=2716","title":{"rendered":"2020java\u6846\u67b6\u6559\u7a0b\u4e4bspringMVC\u7c7b\u578b\u8f6c\u6362"},"content":{"rendered":"

2020java\u6846\u67b6\u6559\u7a0b\u4e4bspringMVC\u7c7b\u578b\u8f6c\u6362<\/h3>\n

1.Date\u65e5\u671f\u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n

a.\u5728\u5b9e\u4f53\u7c7b\u521b\u5efa\u65e5\u671f\u7c7b\u578b\u7684\u5c5e\u6027\u5e76\u751f\u6210toString()\u65b9\u6cd5
\nb.\u5728\u6dfb\u52a0\u7684\u8868\u5355\u65b0\u589e\u65e5\u671f\u5c5e\u6027
\nc.\u5728\u5b9e\u4f53\u7c7b\u7684\u65e5\u671f\u7c7b\u578b\u4e0a\u589e\u52a0\u6ce8\u89e3\uff1a@DateTimeFormat(pattern = “yyyy\/MM\/dd”)
\nd.\u5728\u63a7\u5236\u5c42\u7684\u6dfb\u52a0\u65b9\u6cd5\u6253\u5370\u7c7b\u5bf9\u8c61<\/p>\n

2.\u81ea\u5b9a\u4e49\u7c7b\u578b\u8f6c\u6362\u5668<\/strong><\/p>\n

a.\u65b0\u5efa\u5305\uff1aconverter
\nb.\u65b0\u52a0\u7c7b DateConverter \u5e76\u5b9e\u73b0Converter<String, Date>\u63a5\u53e3\uff0c\u8986\u76d6\u65b9\u6cd5
\n<\/p>\n

@Override\r\npublic Date convert(String s) {\r\n    SimpleDateFormat sdf=new SimpleDateFormat(\"yyyy-MM-dd\");\r\n    try{\r\n        \/\/\u662f\u5426\u5bbd\u677e\u89e3\u6790\uff1a\u9ed8\u8ba4false\r\n        sdf.setLenient(false);\r\n        return sdf.parse(s);\r\n    }catch (Exception e){}\r\n    return null;\r\n}<\/pre>\n
c.\u5728springMVC-servlet.xml\u6587\u4ef6\u6dfb\u52a0<\/p>\n
<!-- \u6ce8\u89e3\u9a71\u52a8  -->\r\n<mvc:annotation-driven conversion-service=\"myConverter\"\/>\r\n<!-- \u7c7b\u578b\u8f6c\u6362\u5668 -->\r\n<bean id=\"myConverter\" class=\"org.springframework.format.support.FormattingConversionServiceFactoryBean\">\r\n    <property name=\"converters\">\r\n        <set>\r\n            <bean class=\"springmvc.converter.DateConverter\"\/>\r\n        <\/set>\r\n    <\/property>\r\n<\/bean><\/pre>\n
d.\u5728\u5b9e\u4f53\u7c7b\u5bf9\u8c61\u7684\u65e5\u671f\u5c5e\u6027\u4e0a\u53d6\u6d88\u683c\u5f0f\u8f6c\u5316\u6ce8\u89e3<\/p>\n
3.\u6279\u91cf\u6dfb\u52a0\u7528\u6237<\/strong><\/p>\n
\u6dfb\u52a0\u8868\u5355\uff1a<\/p>\n
<h1>\u6279\u91cf\u6dfb\u52a0<\/h1>\r\n<p>\u683c\u5f0f\u4e3a\uff1ausername-age-email<\/p>\r\n<form action=\"${pageContext.request.contextPath}\/admin\/saveuser\" method=\"post\">\r\n    <textarea name=\"user\" id=\"user\" cols=\"100\" rows=\"10\"><\/textarea><br>\r\n    <button>\u4fdd\u5b58<\/button>\r\n<\/form><\/pre>\n
\u5bf9\u8c61\u8f6c\u6362\u5668\uff1a<\/p>\n
public class UserConverter implements Converter<String, User><\/span> {\r\n    @Override\r\n    public User<\/span> convert(String s) {\r\n        if (s != null) {\r\n            String[] split = s.split(\"-\");\r\n            if(split!=null && split.length==3){\r\n                String username = split[0];\r\n                Integer age=Integer.parseInt(split[1]);\r\n                String email=split[2];\r\n                User user=new User();\r\n                user.setUsername(username);\r\n                user.setAge(age);\r\n                user.setEmail(email);\r\n                return user;\r\n            }\r\n        }\r\n        return null;\r\n    }\r\n}<\/pre>\n
\u63a7\u5236\u5c42\uff1a<\/p>\n
\/\/\u6279\u91cf\u6dfb\u52a0\u7528\u6237\r\n@RequestMapping(value = \"\/saveuser\" ,method = RequestMethod.POST)\r\npublic String saveuser(User user){\r\n    System.out.println(user);\r\n    System.out.println(\"save\");\r\n    usersDao.save(user);\r\n    return \"redirect:\/admin\/list\";\r\n}<\/pre>\n
4.\u5176\u4ed6\u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n
java \u5982\u4f55\u5224\u65ad\u64cd\u4f5c\u7cfb\u7edf\u662fLinux\u8fd8\u662fWindows<\/p>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
java.version<\/td>\nJava \u8fd0\u884c\u65f6\u73af\u5883\u7248\u672c<\/td>\n<\/tr>\n
java.vendor<\/td>\nJava \u8fd0\u884c\u65f6\u73af\u5883\u4f9b\u5e94\u5546<\/td>\n<\/tr>\n
java.vendor.url<\/td>\nJava \u4f9b\u5e94\u5546\u7684 URL<\/td>\n<\/tr>\n
java.home<\/td>\nJava \u5b89\u88c5\u76ee\u5f55<\/td>\n<\/tr>\n
java.vm.specification.version<\/td>\nJava \u865a\u62df\u673a\u89c4\u8303\u7248\u672c<\/td>\n<\/tr>\n
java.vm.specification.vendor<\/td>\nJava \u865a\u62df\u673a\u89c4\u8303\u4f9b\u5e94\u5546<\/td>\n<\/tr>\n
java.vm.specification.name<\/td>\nJava \u865a\u62df\u673a\u89c4\u8303\u540d\u79f0<\/td>\n<\/tr>\n
java.vm.version<\/td>\nJava \u865a\u62df\u673a\u5b9e\u73b0\u7248\u672c<\/td>\n<\/tr>\n
java.vm.vendor<\/td>\nJava \u865a\u62df\u673a\u5b9e\u73b0\u4f9b\u5e94\u5546<\/td>\n<\/tr>\n
java.vm.name<\/td>\nJava \u865a\u62df\u673a\u5b9e\u73b0\u540d\u79f0<\/td>\n<\/tr>\n
java.specification.version<\/td>\nJava \u8fd0\u884c\u65f6\u73af\u5883\u89c4\u8303\u7248\u672c<\/td>\n<\/tr>\n
java.specification.vendor<\/td>\nJava \u8fd0\u884c\u65f6\u73af\u5883\u89c4\u8303\u4f9b\u5e94\u5546<\/td>\n<\/tr>\n
java.specification.name<\/td>\nJava \u8fd0\u884c\u65f6\u73af\u5883\u89c4\u8303\u540d\u79f0<\/td>\n<\/tr>\n
java.class.version<\/td>\nJava \u7c7b\u683c\u5f0f\u7248\u672c\u53f7<\/td>\n<\/tr>\n
java.class.path<\/td>\nJava \u7c7b\u8def\u5f84<\/td>\n<\/tr>\n
java.library.path<\/td>\n\u52a0\u8f7d\u5e93\u65f6\u641c\u7d22\u7684\u8def\u5f84\u5217\u8868<\/td>\n<\/tr>\n
java.io.tmpdir<\/td>\n\u9ed8\u8ba4\u7684\u4e34\u65f6\u6587\u4ef6\u8def\u5f84<\/td>\n<\/tr>\n
java.compiler<\/td>\n\u8981\u4f7f\u7528\u7684 JIT \u7f16\u8bd1\u5668\u7684\u540d\u79f0<\/td>\n<\/tr>\n
java.ext.dirs<\/td>\n\u4e00\u4e2a\u6216\u591a\u4e2a\u6269\u5c55\u76ee\u5f55\u7684\u8def\u5f84<\/td>\n<\/tr>\n
os.name<\/td>\n\u64cd\u4f5c\u7cfb\u7edf\u7684\u540d\u79f0<\/td>\n<\/tr>\n
os.arch<\/td>\n\u64cd\u4f5c\u7cfb\u7edf\u7684\u67b6\u6784<\/td>\n<\/tr>\n
os.version<\/td>\n\u64cd\u4f5c\u7cfb\u7edf\u7684\u7248\u672c<\/td>\n<\/tr>\n
file.separator<\/td>\n\u6587\u4ef6\u5206\u9694\u7b26\uff08\u5728 UNIX \u7cfb\u7edf\u4e2d\u662f\u201c\/\u201d\uff09<\/td>\n<\/tr>\n
path.separator<\/td>\n\u8def\u5f84\u5206\u9694\u7b26\uff08\u5728 UNIX \u7cfb\u7edf\u4e2d\u662f\u201c:\u201d\uff09<\/td>\n<\/tr>\n
line.separator<\/td>\n\u884c\u5206\u9694\u7b26\uff08\u5728 UNIX \u7cfb\u7edf\u4e2d\u662f\u201c\/n\u201d\uff09<\/td>\n<\/tr>\n
user.name<\/td>\n\u7528\u6237\u7684\u8d26\u6237\u540d\u79f0<\/td>\n<\/tr>\n
user.home<\/td>\n\u7528\u6237\u7684\u4e3b\u76ee\u5f55<\/td>\n<\/tr>\n
user.dir<\/td>\n\u7528\u6237\u7684\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
2020java\u6846\u67b6\u6559\u7a0b\u4e4bspringMVC\u7c7b\u578b\u8f6c\u6362 1.Date\u65e5\u671f\u7c7b\u578b\u8f6c\u6362 a.\u5728\u5b9e\u4f53\u7c7b\u521b\u5efa\u65e5\u671f\u7c7b\u578b\u7684\u5c5e\u6027 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2716","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2716"}],"version-history":[{"count":8,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2716\/revisions"}],"predecessor-version":[{"id":2726,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2716\/revisions\/2726"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}