Android 如何修复URL中的空格错误
在我的代码中,我从URL获取数据。当URL包含空格时,它可以在浏览器中正常工作,但当我通过应用程序进行访问时,由于URL中存在空格而显示错误 我的日志在下面Android 如何修复URL中的空格错误,android,url,Android,Url,在我的代码中,我从URL获取数据。当URL包含空格时,它可以在浏览器中正常工作,但当我通过应用程序进行访问时,由于URL中存在空格而显示错误 我的日志在下面 http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Pre-Ks and CDC Lunch menu&sl=Elementary try { HttpClient client = new Default
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Pre-Ks and CDC Lunch
menu&sl=Elementary
try {
HttpClient client = new DefaultHttpClient();
HttpConnectionParams
.setConnectionTimeout(client.getParams(), 15000);
HttpConnectionParams.setSoTimeout(client.getParams(), 15000);
HttpUriRequest request = new HttpGet(SelectMenuAPI);
HttpResponse response = client.execute(request);
InputStream atomInputStream = response.getEntity().getContent();
BufferedReader in = new BufferedReader(new InputStreamReader(
atomInputStream));
String line;
String str = "";
while ((line = in.readLine()) != null) {
str += line;
}
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
// IOConnect = 1;
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/AndroidRuntime(4885): FATAL EXCEPTION: main
E/AndroidRuntime(4885): java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.schoollunchapp/com.schoollunchapp.SecondStep}:
java.lang.IllegalArgumentException: Illegal character in query at index 69:
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Pre-Ks and CDC Lunch
menu&sl=Elementary
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread.access$2300(ActivityThread.java:125)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.os.Handler.dispatchMessage(Handler.java:99)
08-23 00:46:18.174: E/AndroidRuntime(4885): at \
android.os.Looper.loop(Looper.java:123)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread.main(ActivityThread.java:4627)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
java.lang.reflect.Method.invokeNative(Native Method)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
java.lang.reflect.Method.invoke(Method.java:521)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
dalvik.system.NativeStart.main(Native Method)
08-23 00:46:18.174: E/AndroidRuntime(4885): Caused by:
java.lang.IllegalArgumentException: Illegal character in query at index 69:
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Pre-Ks and CDC Lunch
menu&sl=Elementary
08-23 00:46:18.174: E/AndroidRuntime(4885): at
java.net.URI.create(URI.java:970)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
org.apache.http.client.methods.HttpGet.<init>(HttpGet.java:75)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
com.schoollunchapp.SecondStep.parseJSONData(SecondStep.java:119)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
com.schoollunchapp.SecondStep.onCreate(SecondStep.java:96)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-23 00:46:18.174: E/AndroidRuntime(4885): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Ks和CDC前午餐
菜单&sl=基本
试一试{
HttpClient=new DefaultHttpClient();
HttpConnectionParams
.setConnectionTimeout(client.getParams(),15000);
HttpConnectionParams.setSoTimeout(client.getParams(),15000);
HttpUriRequest request=newhttpget(选择menuapi);
HttpResponse response=client.execute(请求);
InputStream atomInputStream=response.getEntity().getContent();
BufferedReader in=新的BufferedReader(新的InputStreamReader(
原子流);
弦线;
字符串str=“”;
而((line=in.readLine())!=null){
str+=直线;
}
}
}捕获(格式错误){
//TODO自动生成的捕捉块
e、 printStackTrace();
}捕获(IOE异常){
//TODO自动生成的捕捉块
//IOConnect=1;
e、 printStackTrace();
}捕获(JSONException e){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
}
/AndroidRuntime(4885):致命异常:主
E/AndroidRuntime(4885):java.lang.RuntimeException:无法启动活动
ComponentInfo{com.school午餐应用程序/com.school午餐应用程序.SecondStep}:
java.lang.IllegalArgumentException:索引69处查询中的非法字符:
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Ks和CDC前午餐
菜单&sl=基本
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
access$2300(ActivityThread.java:125)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.os.Handler.dispatchMessage(Handler.java:99)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
Looper.loop(Looper.java:123)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
main(ActivityThread.java:4627)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
java.lang.reflect.Method.Invokenactive(本机方法)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
java.lang.reflect.Method.invoke(Method.java:521)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
dalvik.system.NativeStart.main(本机方法)
8-23 00:46:18.174:E/AndroidRuntime(4885):由以下原因引起:
java.lang.IllegalArgumentException:索引69处查询中的非法字符:
http://XXX.XX.XX.XX/~school/index.php/api/index/getschools?mg=Ks和CDC前午餐
菜单&sl=基本
08-23 00:46:18.174:E/AndroidRuntime(4885):在
create(URI.java:970)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
org.apache.http.client.methods.HttpGet.(HttpGet.java:75)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
SecondStep.parseJSONData(SecondStep.java:119)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
com.schoolkuntapp.SecondStep.onCreate(SecondStep.java:96)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-23 00:46:18.174:E/AndroidRuntime(4885):在
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
用android将您的共享空间替换为%20。替换呼叫
String stringurl = "http://mysite.com/pictures of stuff";
stringurl = stringurl.replace(" ", "%20");
URL不喜欢空格,填充符可以解决您的问题。这是一个很好的习惯,这样做,以及创建网站目录,尽可能少或没有空间
还有其他URL不喜欢的字符,它们被%#替换。这是由于百分比编码以及示例和writeup造成的。请尝试以下行:
String URL = URLEncoder.encode("URL", "UTF-8");
或
希望能有帮助 此无效URL=URLEncoder.encode(选择MENUAPI,“UTF-8”);哎哟,忍者,我的代表:)
String URL = URL.replace(" ", "%20");