Biegral Blog

public String resultSetToJson(ResultSet rs) throws SQLException,JSONException  
{  
   // json数组  
   JSONArray array = new JSONArray();  
    
   // 获取列数  
   ResultSetMetaData metaData = rs.getMetaData();  
   int columnCount = metaData.getColumnCount();  
    
   // 遍历ResultSet中的每条数据  
    while (rs.next()) {  
        JSONObject jsonObj = new JSONObject();  
         
        // 遍历每一列  
        for (int i = 1; i <= columnCount; i++) {  
            String columnName =metaData.getColumnLabel(i);  
            String value = rs.getString(columnName);  
            jsonObj.put(columnName, value);  
        }   
        array.put(jsonObj);   
    }  
    
   return array.toString();  
}