Java 如何访问JSP中的JSONArray元素
我的JSONArray是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" }
[
{"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;