http-request-parameters

问题 I want to send json data in url as below . editTest.jsp?details=374889331-{"aNumber":2} How can I do this? 回答1: URL encode your details parameter: String otherParameter = "374889331-"; String jsonString = "{\"aNumber\":2}"; String url = "editTest.jsp?details=" + URLEncoder.encode(otherParameter + jsonString, "UTF-8"); 回答2: you need to convert the JSON object to string JSONObject obj = new JSONObject(); obj.put("name","foo"); StringWriter out = new StringWriter(); obj.writeJSONString(out);

问题 I want to send json data in url as below . editTest.jsp?details=374889331-{"aNumber":2} How can I do this? 回答1: URL encode your details parameter: String otherParameter = "374889331-"; String jsonString = "{\"aNumber\":2}"; String url = "editTest.jsp?details=" + URLEncoder.encode(otherParameter + jsonString, "UTF-8"); 回答2: you need to convert the JSON object to string JSONObject obj = new JSONObject(); obj.put("name","foo"); StringWriter out = new StringWriter(); obj.writeJSONString(out);

问题 In internet, I see only add parameter to HTTP request like below. this.headers.append('Content-Type', 'application/json'); this.headers.append('Accept', 'application/json'); this.headers.append('Access-Control-Allow-Credentials', 'true'); I cannot find how can I get HTTP request header params in Angular 4. 回答1: The Headers class also has a get(name: string) method, which returns a string, as well as other helpful methods for inspecting the headers. From the Angular docs: https://angular.io

问题 I am using this code to post an image file to my controller but I always get a null value for the file body part. @RequestMapping(value = "/updateprofile", method = RequestMethod.POST) public @ResponseBody ResponseMsg updateProfile( @RequestHeader(value = "userid", required = false) String userid, @RequestHeader(value = "name", required = false) String name, @RequestHeader(value = "phone", required = false) int phone, @RequestParam(value = "file", required = false) MultipartFile file) {

问题 I am working on a struts2 project. I have created url with in my project and have passed parameters using tags. My question is how do i read the parameter in the actions? also if do the same would i be able to see the parameters as query string. i ask because i am not able to and i saw it in one of the tutorials. 回答1: Typically, you will interact with parameters in your actions by using fields on your actions, exposed by setters. Assume the following URL maps to my example Struts2 action: URL

问题 We are currently working on a very simple Webapp, and we would like to "obfuscate" ( what would be the right term? ) or encode somehow the request parameter, so we can reduce the chance an idle user from sending arbitrarily data. For instance, the url looks like /webapp?user=Oscar&count=3 We would like to have somthing like: /webapp?data=EDZhjgzzkjhGZKJHGZIUYZT and have that value decoded in the server with the real request info. Before going into implementing something like this ourselves (

问题 We are currently working on a very simple Webapp, and we would like to "obfuscate" ( what would be the right term? ) or encode somehow the request parameter, so we can reduce the chance an idle user from sending arbitrarily data. For instance, the url looks like /webapp?user=Oscar&count=3 We would like to have somthing like: /webapp?data=EDZhjgzzkjhGZKJHGZIUYZT and have that value decoded in the server with the real request info. Before going into implementing something like this ourselves (

问题 I have a strange issue with dropdown boxes in jsp/servlet. Here it is... <select name="locdropdown" onchange="javascript:change()" > <% for(LocationDO locationDO : locationList){%> <option value=<%=locationDO.getLocationName().trim()%>><%=locationDO.getLocationName().trim()%></option> <%} %> </select> values displayed are: BI Sholingar BI Mahindra City BI Sanand Rolltec_DTA Aztec Auto Ltd BI Gurgoan and here is how I try to read it in servlet. String locclasses = req.getParameter("locdropdown

问题 I have very simple JSF bean like shown below: import org.jboss.seam.annotations.Name; @Name(Sample.NAME) public class Sample { public static final String NAME="df"; private String text = "text-test"; public void sampleM(){ System.out.println("Test: "+text); } public String getText() { return text; } public void setText(String text) { this.text = text; } } And JSF form connected with this component: <h:form id="sampleForm"> <h:commandButton id="sampleButton" action="#{df.sampleM()}" value="ok"

问题 I am sending an url parameter to servlet using the following jQuery piece: $.getJSON("http://localhost:8080/JsoupPrj/JasonGen?url=" + url, function(data) { $("#content").html(data); }); On the server side, the servlet gets the parameter, for that I coded as below: String url = (String) request.getAttribute("url"); But it is not working, can you tell me where I am doing wrong? I believe I am not passing the parameter properly to the servlet. The servlet triggers each time through the