jqueryajax向后臺傳遞數(shù)組以及如何在后臺接收數(shù)組代碼詳解

public class Person { 
private String username; 
private String password; 
private Address addr; 
}

var as = []; 
var temp = []; 
for ( var int = 0; int < 5; int++) { 
temp.push('{"k":'); 
temp.push(int); 
temp.push(',"v":'); 
temp.push(int); 
temp.push('}'); 
as.push(temp.join("")); 
} 
//Jquery中的方法，具體參考Jquery API 
$.post( "servlet/AjaxServlet?m=putWarningRule",{"aa":as} );

{"k":0,"v":0}

String[] jsonArr = request.getParameterValues("aa[]");

Enumeration<String> names = request.getParameterNames(); 
while (names.hasMoreElements()) { 
String string = (String) names.nextElement(); 
System.out.println(string); 
}

/** 
* 將對象轉(zhuǎn)換為JSON格式的字符串 
* @param obj 
* @return 返回JSON字符串 
*/ 
public 
static
 String toJSONAsString(Object obj){ 
try { 
return JSONMapper.toJSON(obj).render(false); 
} catch (Mapper
Exception
 e) { 
e.printStackTrace(); 
} 
return null; 
} 
@SuppressWarnings("unchecked") 
public static <T> T jsonToObject(String jsonStr, Class<T> targetClass) throws TokenStreamException, RecognitionException, MapperException{ 
JSONValue jv = new JSONParser(new StringReader(jsonStr)).nextValue(); 
return (T) JSONMapper.toJava(jv,targetClass); 
} 
//test 
public static void main(String[] args) throws Exception { 
Person p = new Person(); 
p.setK("a"); 
p.setV("v"); 
String json = toJSONAsString(p); 
Person np = jsonToObject(json,Person.class); 
System.out.println(np.getK()+"=="+np.getV()); 
}

Person p = JSONUtils.jsonToObject(jsonArr[0], Person.class);

public class Person { 
private String k; 
private String v; 
public String getK() { 
return k; 
} 
public void setK(String k) { 
this.k = k; 
} 
public String getV() { 
return v; 
} 
public void setV(String v) { 
this.v = v; 
} 
}

$.ajax({
 url: "/xxx",
 type: "GET",
 data: {
 "boxIds": boxIds,
 "boxType": 0,
 "time": new Date().getTime()
 },
 traditional: true,//這里設(shè)置為true
 success: function(data) {
 //do sth...
 }
});