在2009-03-30，"Oleg Kalnichevski" <[email protected]> 写道： >On Sat, 2009-03-28 at 22:50 +0800, nonopo12345 wrote: >> >> Hi，i'm using httpclient to connect a url. The problem is that i accept a >> error redirect location ,for example http://wapp.baidu.com/f?kw=???????? , >> when to visit the url. >> >> why there appeared some characters like "???????? "? The correct redirect >> laoction should be http://wapp.baidu.com/f?kw=%B9%C2%D1%E3%B0%A7%C3%F9. > >This is most likely because the redirect location in the HTTP response >is not correctly escaped. HTTP messages are expected to consist of >US-ASCII characters only. Non-US-ASCII characters are supposed to be >escaped. > >Oleg
how can httpclient escape Non-US-ASCII characters correctly ? could you give me a example on visiting this url :http://gate.baidu.com/tc?m=2&w=0_5_%E5%93%80%E9%B8%A3&t=wap&ssid=0&from=0&bd_page_type=0&p=b43ed516d9c21fff57ee96685c52&order=2&vit=osres&uid=wap_1237916098_46&src=http%3A%2F%2Fpost%2Ebaidu%2Ecom%2Ff%3Fkw%3D%B9%C2%D1%E3%B0%A7%C3%F9 >> >> thd exception is: >> org.apache.commons.httpclient.InvalidRedirectLocationException: Invalid >> redirect location: http://wapp.baidu.com/f?kw=???????? >> at >> org.apache.commons.httpclient.HttpMethodDirector.processRedirectResponse(HttpMethodDirector.java:619) >> >> at >> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:179) >> >> at >> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397) >> at >> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323) >> at cn.rjb.app.test.TestClickA.getSourceCode(TestClickA.java:28) >> at cn.rjb.app.test.TestClickA.main(TestClickA.java:15) >> Caused by: org.apache.commons.httpclient.URIException: Invalid query >> at org.apache.commons.httpclient.URI.parseUriReference(URI.java:2049) >> at org.apache.commons.httpclient.URI. <init>(URI.java:147) >> at >> org.apache.commons.httpclient.HttpMethodDirector.processRedirectResponse(HttpMethodDirector.java:601) >> >> ... 5 more >> >> >> the code i use is ： >> >> public static void main(String args[]) { >> >> // the url will be to visit >> String requestURL = >> "http://gate.baidu.com/tc?m=2&w=0_5_%E5%93%80%E9%B8%A3&t=wap&ssid=0&from=0&bd_page_type=0&p=b43ed516d9c21fff57ee96685c52&order=2&vit=osres&uid=wap_1237916098_46&src=http%3A%2F%2Fpost%2Ebaidu%2Ecom%2Ff%3Fkw%3D%B9%C2%D1%E3%B0%A7%C3%F9";; >> >> // use httpclient to get the response of the url >> String response = null ; >> HttpClient httpClient = new HttpClient(); >> GetMethod method = new GetMethod(requestURL); >> >> try { >> httpClient.executeMethod(method); >> response = new String(method.getResponseBody(), "utf-8"); >> } catch (Exception e) { >> e.printStackTrace(); >> } finally { >> method.releaseConnection(); >> } >> >> // print the response ,if ok >> System.out.println(response); >> } >> >> > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [email protected] >For additional commands, e-mail: [email protected] >
