将数据格式更改为JSON

Question

我想将我的数据更改为所需的JSON格式.我的数据如下:

[
  "{
     id:001,
     name:akhilesh,
   }",
  "{
     id:002,
     name:Ram,
   }"
]

我想将上述数据转换为有效的JSON:

[
   {
     "id":"001",
     "name":"akhilesh"
   },
   {
     "id":"002",
     "name":"Ram"
   }
]

我尝试了以下方法,但这些都没有帮助:

1. JSON.serialize
2. JSON.parse
3. eval

我需要帮助.

服务器端的确切数据响应是:

{
    "d": [
        "{id:413,title:ranjan,start:413,end:413}",
        "{id:414,title:raja,start:414,end:414}",
        "{id:415,title:raja g,start:415,end:415}",
        "{id:416,title:abhh,start:416,end:416}",
        "{id:417,title:chta,start:417,end:417}",
        "{id:418,title:Raju,start:418,end:418}",
        "{id:419,title:Ranjan,start:419,end:419}",
        "{id:420,title:Raja,start:420,end:420}",
        "{id:421,title:chitti,start:421,end:421}",
        "{id:422,title:Raja,start:422,end:422}",
        "{id:423,title:raja,start:423,end:423}",
        "{id:424,title:yash,start:424,end:424}",
        "{id:425,title:vsg,start:425,end:425}",
        "{id:431,title:Vimal11,start:431,end:431}",
        "{id:432,title:Aruhi,start:432,end:432}",
        "{id:434,title:Aruhi,start:434,end:434}",
        "{id:435,title:,start:435,end:435}",
        "{id:436,title:xs,start:436,end:436}",
        "{id:437,title:rajkj,start:437,end:437}",
        "{id:438,title:mmt,start:438,end:438}",
        "{id:439,title:xaxa,start:439,end:439}",
        "{id:440,title:yash,start:440,end:440}"
    ]
}

服务器端代码

[System.Web.Services.WebMethod]
public static List<string> getData()
{
    List<string> data = new List<string>();

    using (SqlConnection con = new SqlConnection("Data Source=ACME-PC\\SQL;Integrated Security=true;Initial Catalog=ClinicApplication"))
    {
        SqlCommand cmd = new SqlCommand("select DISTINCT Patient_ID,First_Name,fromtime,totime,Date from tbl_AddPatientInfo", con);
        {
            con.Open();
            SqlDataReader dr = cmd.ExecuteReader();

            while (dr.Read())
            {

                string id = "{" +
                    "\"id:\"" + dr["Patient_ID"].ToString() + "," +
                    "title:" + dr["First_Name"].ToString() + "," +
                    "start:" + dr["Patient_ID"].ToString() + "," +
                    "end:" + dr["Patient_ID"].ToString() +
                    "}";
                string ids = id.Replace(@"""", "");

                data.Add(ids);
            }
            return data;
        }
    }
}

Answer 1

如果你已经控制了如何从服务器发送响应,我建议json_encode(response);使用PHP,或者JSON.stringify(response)如果使用Javascript(node.js)或其他语言的类似方法.然后在客户端,您可以JSON.parse(response)直接使用响应来获取JSON对象.

数组元素需要用引号括起来,以便可以使用它转换为JSON JSON.parse.然后map可以与JSON.parse一起使用.

var arr = [
    '{"id":"001","name":"akhilesh"}',
    '{"id":"002","name":"Ram"}'
];

arr = arr.map(JSON.parse);

console.log(arr);
document.getElementById('result').innerHTML = JSON.stringify(arr, 0, 4);

<pre id="result"></pre>

如果字符串中没有引号,则可以使用正则表达式添加它们并使其适合传递给它JSON.parse.

演示

var arr = [
    "{id:001,name:akhilesh}",
    "{id:002,name:Ram}"
];

arr = arr.map(function(e) {
    // Add quotes on every alphanumeric character
    return JSON.parse(e.replace(/(\w+)/g, '"$1"'));
});

console.log(arr);
document.getElementById('result').innerHTML = JSON.stringify(arr, 0, 4);

<pre id="result"></pre>

Answer 2

而不是通过使用复杂regex(在某些条件下可能不起作用)javascript.更好地进行服务器端更改以JSON正确获取数据.

避免通过字符串连接构建JSON,因为当字符串包含JSON中的某些特殊字符时,您可能会发送损坏的数据.这应该使用JSON序列化程序完成.

[System.Web.Services.WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public static string getData(){
   List<Dictionary<string, string>> data = new List<Dictionary<string, string>>();
   Dictionary<string, string> item;
   using (SqlConnection con = new SqlConnection("Data Source=ACME-PC\\SQL;Integrated Security=true;Initial Catalog=ClinicApplication"))
   {
       SqlCommand cmd = new SqlCommand("select DISTINCT Patient_ID,First_Name,fromtime,totime,Date from tbl_AddPatientInfo", con);
       {
           con.Open();
           SqlDataReader dr = cmd.ExecuteReader();

           while (dr.Read())
           {
                item = new Dictionary<string, string>();
                item.Add("id", dr["Patient_ID"]+"");
                item.Add("title", dr["First_Name"]+"");
                item.Add("start", dr["Patient_ID"]+"");
                item.Add("end", dr["Patient_ID"]+"");
                data.Add(item);
           }
           return new JavaScriptSerializer().Serialize(data);
       }
    }
}

修改现有代码:

[System.Web.Services.WebMethod]
public static List<string> getData(){
    List<string> data = new List<string>();
    using (SqlConnection con = new SqlConnection("Data Source=ACME-PC\\SQL;Integrated Security=true;Initial Catalog=ClinicApplication"))
    {
       SqlCommand cmd = new SqlCommand("select DISTINCT Patient_ID,First_Name,fromtime,totime,Date from tbl_AddPatientInfo", con);
       {
           con.Open();
           SqlDataReader dr = cmd.ExecuteReader();

           while (dr.Read())
           {
                string id = "{" +
                   "\"id\":"  + "\""+dr["Patient_ID"].ToString()+"\"" + "," +
                   "\"title\":" + "\""+dr["First_Name"].ToString()"\"" + "," +
                   "\"start\":" + "\""+dr["Patient_ID"].ToString()"\"" + "," +
                   "\"end\":" + "\""+dr["Patient_ID"].ToString() + "\""+
                   "}";
                data.Add(id);
           }
           return data;
       }
    }
}