{"id":1056,"date":"2021-03-08T16:42:12","date_gmt":"2021-03-08T08:42:12","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=1056"},"modified":"2021-05-01T11:10:42","modified_gmt":"2021-05-01T03:10:42","slug":"request%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-1056.html","title":{"rendered":"Request\u8bf7\u6c42\u5bf9\u8c61"},"content":{"rendered":"\n<p>httpServletRequest\uff0c\u7ee7\u627f\u4e86<strong>ServletRequest<\/strong>\uff0c\u591a\u4e86\u4e00\u4e9b\u5173\u4e8ehttp\u534f\u8bae\u7684\u65b9\u6cd5, \u4e0d\u8fc7\u4e24\u8005\u603b\u4f53\u76f8\u5dee\u4e0d\u5927,ServletRequest \u65e0\u6cd5\u83b7\u53d6 http \u4fe1\u606f.<\/p>\n\n\n\n<h5>1.\u83b7\u53d6\u5ba2\u6237\u7aef\u8bf7\u6c42\u53c2\u6570<\/h5>\n\n\n\n<ul><li>String request.getParameter(String name);      \/\/\u83b7\u53d6\u4e00\u4e2a\u53c2\u6570\u7684\u4e00\u4e2a\u503c<\/li><li>String[] request.getParameterValues(Stirng name);\/\/\u67d0\u4e2a\u53c2\u6570\u7684\u6240\u6709\u503c<\/li><li>Enum[] request.getParameterNames();\u83b7\u53d6\u6240\u6709\u53c2\u6570\u540d\u79f0<\/li><li>Map&lt;String,String []&gt; request.getParameterMap();\/\/\u83b7\u53d6\u6240\u6709\u53c2\u6570\u540d\u548c\u503c<\/li><\/ul>\n\n\n\n<h5>2.\u8bbe\u7f6e\u8bf7\u6c42\u53c2\u6570\u7684\u7f16\u7801\uff1arequest.setCharaterEncoding(&#8220;utf-8&#8221;);<\/h5>\n\n\n\n<h5>3.\u83b7\u53d6\u4e00\u4e9b\u5e38\u7528\u7684\u4fe1\u606f<\/h5>\n\n\n\n<ul><li>getContentLength()\uff1a\u8fd4\u56de\u8bf7\u6c42\u6b63\u6587\u7684\u957f\u5ea6\u3002<\/li><li>getContentType()\uff1a\u83b7\u5f97\u8bf7\u6c42\u6b63\u6587\u7684MIME\u7c7b\u578b\u3002<\/li><li>getInputStram()\uff1a\u8fd4\u56de\u7528\u4e8e\u8bfb\u53d6\u8bf7\u6c42\u6b63\u6587\u7684\u8f93\u5165\u6d41\u3002<\/li><li>getLocalAddr()\uff1a\u8fd4\u56de\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002<\/li><li>getLocalName()\uff1a\u8fd4\u56de\u670d\u52a1\u5668\u7aef\u7684\u4e3b\u673a\u540d\u3002<\/li><li>getLocalPort()\uff1a\u8fd4\u56de\u670d\u52a1\u5668\u7aef\u7684FTP\u7aef\u53e3\u53f7\u3002<\/li><li>getParameter(String name)\uff1a\u83b7\u53d6\u53c2\u6570<\/li><li>getProtocal()\uff1a\u8fd4\u56de\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u901a\u4fe1\u6240\u7528\u7684\u534f\u8bae\u7684\u540d\u79f0\u53ca\u7248\u672c\u53f7\u3002<\/li><li>getReader()\uff1a\u8fd4\u56de\u7528\u6237\u8bfb\u53d6\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u8bf7\u6c42\u6b63\u6587\u7684BufferedReader\u5bf9\u8c61\u3002<\/li><li>getRemoteAddr\uff08\uff09\uff1a\u8fd4\u56de\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u3002<\/li><li>getRemoteHost\uff08\uff09\uff1a\u8fd4\u56de\u5ba2\u6237\u7aef\u7684\u4e3b\u673a\u540d\u3002<\/li><li>getRemotePort\uff08\uff09\uff1a\u8fd4\u56de\u5ba2\u6237\u7aef\u7684FTP\u7aef\u53e3\u53f7\u3002<\/li><\/ul>\n\n\n\n<h5>4.\u83b7\u53d6http\u534f\u8bae\u7684\u8bf7\u6c42\u4fe1\u606f( \u5fc5\u987b\u662f httpServeltRequest )<\/h5>\n\n\n\n<ul><li>\u83b7\u53d6\u8bf7\u6c42\u884c\u4fe1\u606f<ol><li>getMethod();\u83b7\u53d6\u8bf7\u6c42\u65b9\u5f0f<\/li><li>getContextPath();\u83b7\u53d6\u9879\u76ee\u865a\u62df\u76ee\u5f55<\/li><li>getServletPath();\u83b7\u53d6servlet\u8def\u5f84<\/li><li>getQueryString();\u83b7\u53d6\u8bf7\u6c42\u53c2\u6570\u6570\u636e<\/li><li>getRequestURI();\u83b7\u53d6uri\uff0c(\u9664\u534f\u8bae\u548c\u57df\u540d\u5269\u4e0b\u7684\u90e8\u5206)<\/li><li>getRequestURL();\u83b7\u53d6url\uff0c(\u8d44\u6e90\u7684\u7edd\u5bf9\u8def\u5f84)<\/li><li>getProtocal();\u83b7\u53d6\u8bf7\u6c42\u534f\u8bae\u4ee5\u53ca\u7248\u672c<\/li><li>getRemoteAddr();\u83b7\u53d6\u5ba2\u6237\u4e3b\u673a\u7684ip\u5730\u5740<\/li><\/ol><\/li><li>\u83b7\u53d6\u8bf7\u6c42\u5934\u53c2\u6570<ol><li>getHeader(String name);\u83b7\u53d6\u67d0\u4e2a\u8bf7\u6c42\u5934\u7684\u503c<\/li><li>getHeaderNames();\u83b7\u53d6\u6240\u6709\u7684\u8bf7\u6c42\u5934\u540d\u79f0<\/li><\/ol><\/li><li>\u83b7\u53d6\u8bf7\u6c42\u4f53\u53c2\u6570<ul><li>\u5148\u83b7\u53d6\u6d41\u5bf9\u8c61<ul><li>getReader();\u5b57\u7b26\u8f93\u5165\u6d41\u5bf9\u8c61<\/li><li>getInputStream();\u83b7\u53d6\u5b57\u8282\u8f93\u5165\u6d41\u5bf9\u8c61<\/li><\/ul><\/li><li>\u4ece\u6d41\u5bf9\u8c61\u4e2d\u83b7\u53d6\u53c2\u6570\uff1agetQueryString();<\/li><\/ul><\/li><\/ul>\n\n\n\n<h5>5.\u8bf7\u6c42\u8f6c\u53d1<\/h5>\n\n\n\n<ul><li>\u6b65\u9aa4\uff1a<ol><li>\u83b7\u53d6\u8bf7\u6c42\u8f6c\u53d1\u5668\u5bf9\u8c61\uff1agetRequestDispatcher(String path);<\/li><li>\u4f7f\u7528\u8f6c\u53d1\u5bf9\u8c61\u8fdb\u884c\u8f6c\u53d1\uff1aforward(request,response);<\/li><\/ol><\/li><li>\u7279\u70b9\uff1a<ol><li>\u6d4f\u89c8\u5668\u5730\u5740\u680f\u4e0d\u53d1\u751f\u53d8\u5316<\/li><li>\u53ea\u80fd\u8f6c\u53d1\u5230\u670d\u52a1\u5668\u5185\u90e8\u8d44\u6e90, \u4e14\u5e94\u8be5\u662fservlet<\/li><li>\u5ba2\u6237\u7aef\u53ea\u53d1\u9001\u4e86\u4e00\u6b21\u8bf7\u6c42<\/li><\/ol><\/li><li>\u8def\u5f84\u5199\u6cd5: \u53ea\u80fd\u76f8\u5bf9\u8def\u5f84\uff0c\u53ef\u4ee5\u8bbf\u95eeWEB-INF<ul><li>\u8bbf\u95eeclass\u65f6\uff0c\u76ee\u5f55\u5728WEB-INF\/classes<\/li><li>.\/xx\u8868\u793a\u5f53\u524d\u6587\u4ef6\u5939\u67d0\u4e2a\u6587\u4ef6<\/li><li>xx\/\u8868\u793a\u5b50\u96c6\u76ee\u5f55<\/li><li>\/xx\u8868\u793a\u6839\u76ee\u5f55\u4e0b\u7684xx<\/li><\/ul><\/li><\/ul>\n\n\n\n<h5>6.\u5171\u4eab\u6570\u636e<\/h5>\n\n\n\n<p>\u5148\u4e86\u89e3\u57df\u5bf9\u8c61\uff1a\uff1a\u4e00\u4e2a\u6709\u4f5c\u7528\u8303\u56f4\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5728\u8303\u56f4\u5185\u5171\u4eab\u6570\u636e<\/p>\n\n\n\n<ul><li>request\u57df\uff1a\u4ee3\u8868\u4e00\u6b21\u8bf7\u6c42\u7684\u8303\u56f4\uff0c\u4e00\u822c\u7528\u4e8e\u8bf7\u6c42\u8f6c\u53d1\u7684\u591a\u4e2a\u8d44\u6e90\u4e2d\u5171\u4eab\u6570\u636e<\/li><li>\u65b9\u6cd5\uff1a<ol><li>setAttribute(String name,Object obj):\u5b58\u50a8\u6570\u636e<\/li><li>getAttribute(String name):\u901a\u8fc7\u952e\u540d\u83b7\u53d6<\/li><li>removeAttribute(String name):\u901a\u8fc7\u952e\u540d\u79fb\u9664\u6570\u636e<\/li><\/ol><\/li><\/ul>\n\n\n\n<h5>7.\u83b7\u53d6servletContent\uff1agetServletContent();<\/h5>\n\n\n\n<h5>8.request\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\uff1a<\/h5>\n\n\n\n<ul><li>\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u8bf7\u6c42\u5bf9\u8c61<\/li><li>\u670d\u52a1\u65b9\u6cd5\u6267\u884c\u540e\u5c31\u4f1a\u9500\u6bc1<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>httpServletRequest\uff0c\u7ee7\u627f\u4e86ServletRequest\uff0c\u591a\u4e86\u4e00\u4e9b\u5173\u4e8ehttp\u534f\u8bae\u7684\u65b9\u6cd5, \u4e0d&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-1056.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">Request\u8bf7\u6c42\u5bf9\u8c61<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1056"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=1056"}],"version-history":[{"count":5,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1056\/revisions"}],"predecessor-version":[{"id":1297,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1056\/revisions\/1297"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=1056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=1056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=1056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}