{"id":363,"date":"2021-05-15T01:32:13","date_gmt":"2021-05-14T17:32:13","guid":{"rendered":"https:\/\/explause.com\/?p=363"},"modified":"2021-11-01T18:55:28","modified_gmt":"2021-11-01T10:55:28","slug":"spring-mvc%e5%a4%84%e7%90%86post%e8%af%b7%e6%b1%82","status":"publish","type":"post","link":"https:\/\/devdoge.org\/?p=363","title":{"rendered":"Spring MVC\u5904\u7406POST\u8bf7\u6c42"},"content":{"rendered":"\n

SpringMVC\u5904\u7406POST\u8bf7\u6c42\u65f6\u53ef\u4ee5\u5c06\u6536\u5230\u7684\u53c2\u6570\u81ea\u52a8\u8f6c\u6362\u6210POJO\u7c7b\u578b<\/strong>\u7684\u7c7b\u5bf9\u8c61\uff0c\u6240\u4ee5\u53ea\u8981\u5b9a\u4e49\u4e00\u4e2aPOJO\u7c7b\uff0c\u5c31\u80fd\u5f88\u7b80\u5355\u7684\u8fdb\u884c\u5904\u7406\u3002<\/p>\n\n\n\n

\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u7a7a\u767dSpringMVC\u9879\u76ee<\/a>\u3002<\/p>\n\n\n\n

\u7136\u540e\u4e00\u987f\u590d\u5236\u7c98\u8d34\uff1a<\/p>\n\n\n\n

POJO.java:\npackage com.explause.main;\n\npublic class POJO {\n\tprivate String msg1;\n\tprivate String msg2;\n\t\n\tpublic void setMsg1(String msg1) {\n\t\tthis.msg1 = msg1;\n\t}\n\tpublic String getMsg1() {\n\t\treturn this.msg1;\n\t}\n\tpublic void setMsg2(String msg2) {\n\t\tthis.msg2 = msg2;\n\t}\n\tpublic String getMsg2() {\n\t\treturn this.msg2;\n\t}\n}<\/code><\/pre>\n\n\n\n
AppController.java:\npackage com.explause.main;\n\nimport org.springframework.stereotype.Controller;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.PostMapping;\nimport org.springframework.web.servlet.ModelAndView;\n\n@Controller\npublic class AppController {\n\tprivate ModelAndView md = new ModelAndView();\n\t\n\t@GetMapping(\"\/\")\n\tpublic ModelAndView getController() {\n\t\tmd.setViewName(\"get\");\n\t\treturn md;\n\t}\n\t\n\t@PostMapping(\"\/\")\n\tpublic ModelAndView postController(POJO getinfo) {\n\t\tmd.setViewName(\"post\");\n\t\tmd.addObject(\"messages\", getinfo);\n\t\treturn md;\n\t}\n}<\/code><\/pre>\n\n\n\n
web.xml:\n<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<web-app xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\" xmlns=\"http:\/\/xmlns.jcp.org\/xml\/ns\/javaee\" xsi:schemaLocation=\"http:\/\/xmlns.jcp.org\/xml\/ns\/javaee http:\/\/xmlns.jcp.org\/xml\/ns\/javaee\/web-app_4_0.xsd\" id=\"WebApp_ID\" version=\"4.0\">\n  <display-name>POSTDemo<\/display-name>\n  <servlet>\n    <servlet-name>App<\/servlet-name>\n    <servlet-class>org.springframework.web.servlet.DispatcherServlet<\/servlet-class>\n    <load-on-startup>1<\/load-on-startup>\n  <\/servlet>\n  <servlet-mapping>\n    <servlet-name>App<\/servlet-name>\n    <url-pattern>\/<\/url-pattern>\n  <\/servlet-mapping>\n<\/web-app><\/code><\/pre>\n\n\n\n
App-servlet.xml:\n<beans xmlns = \"http:\/\/www.springframework.org\/schema\/beans\"\n   xmlns:xsi = \"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n   xmlns:context = \"http:\/\/www.springframework.org\/schema\/context\"\n   xmlns:aop = \"http:\/\/www.springframework.org\/schema\/aop\"\n   xmlns:mvc = \"http:\/\/www.springframework.org\/schema\/mvc\"\n   xsi:schemaLocation = \"http:\/\/www.springframework.org\/schema\/beans\n   http://www.springframework.org\/schema\/beans\/spring-beans-3.0.xsd\n   http:\/\/www.springframework.org\/schema\/context\n   http:\/\/www.springframework.org\/schema\/context\/spring-context-3.0.xsd\n   http:\/\/www.springframework.org\/schema\/aop\n   http:\/\/www.springframework.org\/schema\/aop\/spring-aop-3.0.xsd\n   http:\/\/www.springframework.org\/schema\/mvc\n   http:\/\/www.springframework.org\/schema\/mvc\/spring-mvc.xsd\">\n\n\t<context:component-scan base-package=\"com.explause.main\"\/>\n\t\n\t<bean class=\"org.springframework.web.servlet.view.InternalResourceViewResolver\">\n\t\t<property name=\"prefix\" value=\"\/WEB-INF\/\"\/>\n\t\t<property name=\"suffix\" value=\".jsp\"\/>\n\t<\/bean>\n<\/beans><\/code><\/pre>\n\n\n\n
get.jsp:\n<%@ page language=\"java\" contentType=\"text\/html; charset=UTF-8\" pageEncoding=\"UTF-8\"%>\n<%@taglib uri=\"http:\/\/www.springframework.org\/tags\/form\" prefix=\"form\"%>\n<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n<title>Get some messages<\/title>\n<\/head>\n<body>\n<form method=\"POST\" action=\"\">\n<label>Give some string:<\/label>\n<input name=\"msg1\"\/>\n<label>Give another string:<\/label>\n<input name=\"msg2\"\/>\n<input type=\"submit\" value=\"\u63d0\u4ea4\"\/>\n<\/form>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
post.jsp:\n<%@ page language=\"java\" contentType=\"text\/html; charset=UTF-8\" pageEncoding=\"UTF-8\"%>\n<%@taglib uri=\"http:\/\/www.springframework.org\/tags\/form\" prefix=\"form\"%>\n<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n<title>Submitted messages<\/title>\n<\/head>\n<body>\n<p>The first message:<\/p>\n<p>${messages.msg1}\n<p>The second message:<\/p>\n<p>${messages.msg2}\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u6700\u7ec8\u7684\u9879\u76ee\u76ee\u5f55\u7ed3\u6784\uff1a<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u6ce8\u610f\uff0c\u548cweb\u76f8\u5173\u7684\u4ee3\u7801\uff0c\u6839\u76ee\u5f55\u662fwebapp\u6587\u4ef6\u5939\uff0cApp-servlet.xml<\/strong>\u6587\u4ef6\u4e2d\u7684prefix<\/strong>\u5c5e\u6027\u5c31\u662f\u4ecewebapp<\/strong>\u6587\u4ef6\u5939\u5f00\u59cb\u7684\u3002\u5f53\u7136\uff0c\u53ef\u4ee5\u5728\u8fd9\u4e2a\u6587\u4ef6\u5939\u4e0b\u81ea\u5b9a\u4e49\u6587\u4ef6\u5b58\u653e\u4f4d\u7f6e<\/strong>\u3002<\/p>\n\n\n\n
\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u70b9\u51fb\u63d0\u4ea4\u540e\uff1a<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u5206\u6790\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n
Controller\u53ef\u4ee5\u8fd4\u56deString\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u8fd4\u56deModelAndView\u5bf9\u8c61\u3002ModelAndView\u7c7b\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a \nviewName\u53c2\u6570\uff0c\u6307\u5b9a\u67d0\u4e2aView\uff08jsp\u6587\u4ef6\u6216\u522b\u7684\uff0c\u6839\u636eApp-servlet.xml\u5185prefix\u548csuffix\u53c2\u6570<\/strong>\u51b3\u5b9a\uff09\u3002\u5904\u7406POST\u8bf7\u6c42\u7684\u63a7\u5236\u5668\u51b3\u5b9a\u5904\u7406\u4e86POST\u8bf7\u6c42\u540e\u8fd4\u56de\u7684View\uff0c\u56e0\u4e3aView\u662fjsp\uff0c\u9700\u8981\u548cModel\u76f8\u76f8\u52a0\u624d\u80fd\u751f\u6210\u6700\u540e\u7684HTML\u3002ModelAndView\u7c7b\u7684addObject<\/strong>\u65b9\u6cd5\u53ef\u4ee5\u4e3aView\u8bbe\u7f6eModel\u5b83\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fModel\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662fModel\u503c\u3002Model\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2aMap\u6570\u636e\u7c7b\u578b\u3002\u5728jsp\u6587\u4ef6\u91cc\u53ef\u4ee5\u50cf\u5904\u7406\u666e\u901ajava\u4ee3\u7801\u4e00\u6837\u4f7f\u7528\u5b83\u3002\u90a3\u662fjsp\u76f8\u5173\u7684\u77e5\u8bc6\u4e86\u3002<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528SpringMVC\u53ef\u4ee5\u5f88\u7b80\u5355\u7684\u5904\u7406POST\u8bf7\u6c42\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[26],"class_list":["post-363","post","type-post","status-publish","format-standard","hentry","category-mvc","tag-mvc"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/posts\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devdoge.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=363"}],"version-history":[{"count":4,"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":370,"href":"https:\/\/devdoge.org\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions\/370"}],"wp:attachment":[{"href":"https:\/\/devdoge.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devdoge.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devdoge.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}