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我有一個JSON陣列如下圖所示如何形成從JSON陣列中兩個SQL INSERT語句
[{
"link_video": "123"
}, {
"link_video": "456"
}]
通過解析我想創建兩個插入SQL作爲
Insert into mytable values (123,456);
Insert into mytable values (456,123);.
我已經開始如下所示,你能告訴我我怎麼能形成兩個sql
public class Testeee {
public static void main(String[] args) throws JSONException, SQLException {
String array = "[{\"link_video\":\"123\"},{\"link_video\":\"456\"}]";
JSONArray array_jsn = new JSONArray(array);
PreparedStatement PstmtdeleteforLinkVideos = null;
Connection con;
String sql = "Insert into mytable values (?,?)";
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/sonoo",
"root", "root");
PstmtdeleteforLinkVideos = con.prepareStatement(sql);
for (int i = 0; i < array_jsn.length(); i++) {
String id = array_jsn.getJSONObject(i).getString("link_video");
PstmtdeleteforLinkVideos.setInt(1,Integer.parseInt(id));
PstmtdeleteforLinkVideos.addBatch();
}
PstmtdeleteforLinkVideos.executeBatch();
}
}
它不工作?如果是的話,它在哪裏失敗? – XtremeBaumer
我無法插入第二個值PstmtdeleteforLinkVideos.setInt(1,Integer.parseInt(id)); – Pawan
你是什麼意思「不能插入」? – XtremeBaumer