{"id":3355,"date":"2015-12-18T17:31:38","date_gmt":"2015-12-18T09:31:38","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=3355"},"modified":"2016-01-06T09:07:35","modified_gmt":"2016-01-06T01:07:35","slug":"java-%e5%9c%a8jsp%e4%b8%ad%e8%af%bb%e5%8f%96post%e7%9a%84json%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=3355","title":{"rendered":"[Java] \u5728JSP\u4e2d\u8bfb\u53d6POST\u7684JSON\u6570\u636e"},"content":{"rendered":"

jsp\u662f\u5f00\u53d1bs\u7684\u5229\u5668\u3002\u5728jsp\u4e2d\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u4f7f\u7528JSON\u6765\u5f00\u53d1\u4e00\u4e2a\u6570\u636e\u63a5\u53e3\u3002<\/p>\n

\u4eca\u5929\u6211\u60f3\u5b9e\u73b0\u7684\u4f8b\u5b50\u662f\uff1a<\/p>\n

    \n
  1. \u63a5\u6536\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\u3001APP\uff09\u901a\u8fc7POST\u65b9\u5f0f\u63d0\u4ea4\u7684JSON\u6570\u636e\u3002<\/li>\n
  2. \u89e3\u6790\u63a5\u6536\u5230\u6570\u636e\uff0c\u5982\u679c\u5b58\u5728”username”\u5219\u8fd4\u56de\u7528\u6237\u540d\uff0c\u5426\u5219\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002<\/li>\n<\/ol>\n

    \u6211\u4f7f\u7528java-ee\u4f5c\u4e3a\u5f00\u53d1\u73af\u5883\uff0c\u9879\u76ee\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n

    \"QQ\u622a\u56fe20151218170501\"<\/p>\n

    \u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u7528\u5230\u4e86 json-lib,\u00a0 \u4e0b\u8f7d\u5730\u5740\uff1a<\/p>\n

    http:\/\/files.cnblogs.com\/java-pan\/lib.rar<\/a><\/p>\n

    \u63d0\u4f9b\u4e86\u9664JSONObject\u7684jar\u4e4b\u5916\u4f9d\u8d56\u7684\u5176\u4ed66\u4e2ajar\u5305\uff0c\u4e00\u51717\u4e2ajar\u6587\u4ef6\u8bf4\u660e\uff1a<\/p>\n

    \u56e0\u4e3a\u5de5\u4f5c\u4e2d\u9879\u76ee\u7528\u5230\u7684\u7248\u672c\u662f1.1\u7684\u5bf9\u5e94jdk1.3\u7684\u7248\u672c\uff0c\u6545\u672c\u7bc7\u535a\u5ba2\u662f\u57fa\u4e8e1.1\u7248\u672c\u4ecb\u7ecd\u7684\u3002<\/p>\n

    \u5bf9\u5e94\u6b64\u7248\u672c\u7684javadoc\u4e0b\u8f7d\u8def\u5f84\u5982\u4e0b\uff1ahttp:\/\/sourceforge.net\/projects\/json-lib\/files\/json-lib\/json-lib-1.1\/<\/a><\/p>\n

    \u76ee\u524d\u6700\u65b0\u7684\u7248\u672c\u4e3a2.4,\u5176\u4ed6\u7248\u672c\u4e0b\u8f7d\u5730\u5740\u4e3a http:\/\/sourceforge.net\/projects\/json-lib\/files\/json-lib\/<\/a><\/p>\n

     <\/p>\n

    \u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u6dfb\u52a0\u5230\u4e0a\u56fe\u6240\u793a\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u70b9\u5f00\u5de5\u7a0b\u5c5e\u6027\uff0c\u5168\u90e8\u52a0\u5165\u5230Libraries\u4e2d\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528JSONObject\u4e86\u3002<\/p>\n

    \"QQ\u622a\u56fe20151218172917\"<\/p>\n

    jsp\u4e2d\u7684request\u672c\u8eab\u4e0d\u80fd\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684post\u6570\u636e\uff0c\u6240\u4ee5\u5148\u5199\u4e00\u4e2agetPostData\u51fd\u6570\uff1a<\/p>\n

    package com.http;\r\n\r\nimport java.io.IOException;\r\nimport java.io.InputStream;\r\n\r\n\r\npublic class Common {\r\n\t\r\n\tpublic static String getPostData(InputStream in, int size, String charset) {\r\n\t\tif (in != null && size > 0) {\r\n\t\t\tbyte[] buf = new byte[size];\r\n\t\t\ttry {\r\n\t\t\t\tin.read(buf);\r\n\t\t\t\tif (charset == null || charset.length() == 0)\r\n\t\t\t\t\treturn new String(buf);\r\n\t\t\t\telse {\r\n\t\t\t\t\treturn new String(buf, charset);\r\n\t\t\t\t}\r\n\t\t\t} catch (IOException e) {\r\n\t\t\t\te.printStackTrace();\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn null;\r\n\t} \r\n}\r\n<\/pre>\n
     <\/p>\n
    \u7136\u540e\u6211\u4eec\u65b0\u5efa\u4e00\u4e2a test.jsp \u6587\u4ef6\u3002\u5728\u5934\u90e8\u6dfb\u52a0\u5f15\u7528\u4e0a\u9762\u7684\u7c7b\uff0c\u4ee5\u53cajson\u5e93\u3002<\/p>\n
    <%@ page language=\"java\" contentType=\"text\/html; charset=UTF-8\"\r\n\timport=\"java.io.*\"\r\n\timport=\"com.http.*\"\r\n\timport=\"net.sf.json.*\"\r\n    pageEncoding=\"UTF-8\"%><\/pre>\n
    \u7136\u540e\u5199\u5904\u7406\u4ee3\u7801\uff1a<\/p>\n
    <%\r\n\u00a0String postdata = Common.getPostData(request.getInputStream(), request.getContentLength(), null);\r\n\u00a0\/\/out.println(postdata); \r\n\u00a0\r\n\u00a0if (postdata != null) {\r\n\u00a0\u00a0JSONObject json = JSONObject.fromObject(postdata);\r\n\u00a0\u00a0if (json != null) {\r\n\u00a0\u00a0\u00a0out.println(\"{\\\"result\\\": 1, \\\"username\\\": \\\"\" + json.getString(\"username\") + \"\\\"}\" );\r\n\u00a0\u00a0} else\r\n\u00a0\u00a0\u00a0out.println(\"{\\\"result\\\": 0, \\\"errmsg\\\": \\\"\u65e0\u6548\u7684\u8bf7\u6c42\\\"}\");\r\n\u00a0} else \r\n\u00a0\u00a0out.println(\"{\\\"result\\\": 0, \\\"errmsg\\\": \\\"\u65e0\u6548\u7684\u8bf7\u6c42\\\"}\");\r\n%>\r\n<\/body><\/pre>\n
    \u8fd9\u6837\u5c31OK\u4e86\uff0c\u914d\u7f6etomcat\u5c31\u53ef\u4ee5\u8fd0\u884c\u6d4b\u8bd5\u4e86\u3002<\/p>\n
    \u76f4\u63a5\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u4f1a\u8fd4\u56de :<\/p>\n
    {“result”: 0, “errmsg”: “\u65e0\u6548\u7684\u8bf7\u6c42”}<\/p>\n
    \u63d0\u4ea4\u4e00\u4e2a\u6d4b\u8bd5\u4e32<\/p>\n
    POST \/JSPTest\/test.jsp HTTP\/1.1\r\nHost: localhost:8080\r\nAccept: *\/*\r\nUser-Agent: Mozilla\/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident\/4.0)\r\nContent-Type: text\/xml\r\nAccept-Encoding: gzip, deflate\r\nConnection: Keep-Alive\r\nContent-Length: 60\r\n\r\n{\"bgcolor\": \"red\", \"username\": \"test\", \"password\": \"123456\"}<\/pre>\n
    \u8fd4\u56de\uff1a<\/p>\n
    {“result”: 1, “username”: “test”}<\/p>\n
     <\/p>\n
    \u597d\u4e86\u3002\u4eca\u5929\u7684\u4f8b\u5b50\u5c31\u6b64\u7ed3\u675f\u3002\u5728\u5f04\u8fd9\u4e2a\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u4e00\u5f00\u59cb\u641elib\u653e\u9519\u5730\u65b9\u4e86\uff0c\u8001\u662f\u62a5\u9519\uff0c\u6d6a\u8d39\u4e861\u4e2a\u591a\u5c0f\u65f6\u540e\uff0c\u603b\u7b97\u89e3\u51b3\u4e86\u3002\uff08\u4e3b\u8981\u662f\u4e4b\u524d\u5f00\u53d1android\u65f6\uff0c\u90fd\u662f\u81ea\u5df1\u5efa\u4e2alibs\u6587\u4ef6\u5939\u653e\u8fdb\u53bb\u518d\u5f15\u7528\u5c31\u597d\u4e86\uff0c\u6ca1\u60f3\u5230jsp\u662f\u56fa\u5b9a\u7684\u5730\u65b9\uff0c\u95f9\u7b11\u8bdd\u4e86\u3002\u3002\u3002\uff09<\/p>\n
    SVN:\u00a0 https:\/\/github.com\/yangyxd\/JSP_JSON_POST_Demo<\/a><\/p>\n
     <\/p>\n
     <\/p>\n","protected":false},"excerpt":{"rendered":"
    jsp\u662f\u5f00\u53d1bs\u7684\u5229\u5668\u3002\u5728jsp\u4e2d\u6211\u4eec\u53ef […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[164,516],"class_list":["post-3355","post","type-post","status-publish","format-standard","hentry","category-delphi","tag-java","tag-jsp"],"views":8197,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3355"}],"version-history":[{"count":2,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3355\/revisions"}],"predecessor-version":[{"id":3387,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3355\/revisions\/3387"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}