Java 如何访问JSP中的JSONArray元素

Java 如何访问JSP中的JSONArray元素,java,json,jsp,arrays,Java,Json,Jsp,Arrays,我的JSONArray是 [ {"id":1, "programs_idprograms":3, "description":"course description", "idCourse":"course title" }, {"id":2, "programs_idprograms":3, "description":"course description2", "idCourse":"course title2" }

我的JSONArray是

[
   {"id":1,
    "programs_idprograms":3,
    "description":"course description",
    "idCourse":"course title"
   },
   {"id":2,
    "programs_idprograms":3,
    "description":"course description2",
    "idCourse":"course title2"
   }
]  
存储在名为bean2的字符串中

JSONArray数组=新的JSONArray(bean2);
JSONArray array = new JSONArray(bean2);
for(int i=0;i<array.length();i++){
    JSONObject object = array.getJSONObject(i);
    int id = object.getInt("id");
    int programs_idprograms = object.getInt("programs_idprograms");
    String description = object.getString("description");
    String idCourse = object.getString("idCourse");   
}
对于(int i=0;i尝试:

jsonArray = [ {"id":1,
"programs_idprograms":3,
"description":"course description",
"idCourse":"course title"
},  ... ];
一种方法是用Javascript代码构建html,如下所示:

 var myHTMLStr = '<table>';
 for(var i in jsonArray) {
 myHTMLStr+='<tr><td>' + jsonArray[i]['id'] + '</td><td>' + jsonArray[i]  ['programs_idprograms'] +   '</td></tr>';

 }
myHTMLStr+='</table>';

使用Gson或Jackson对其进行解析,然后将其发送给jspy您将需要一些json解析器
document.getElementById('tableOutput').innerHTML = myHTMLStr;