标签:style c class blog code java
1 public class ExampleBLL 2 { 3 /// <summary> 4 /// 获取datatable 5 /// </summary> 6 /// <returns> datatable</returns> 7 public DataTable GetDataTable() 8 { 9 DataTable dataTable = new DataTable(); 10 using (SQLiteConnection conn = new SQLiteConnection(@"Data Source =" + HttpContext.Current.Server.MapPath("~/example.db" ) + ";")) 11 { 12 SQLiteCommand cmd = conn.CreateCommand(); 13 cmd.CommandText = "select * from users"; 14 cmd.CommandType = CommandType.Text; 15 16 if (conn.State != ConnectionState .Open) 17 { 18 conn.Open(); 19 } 20 SQLiteDataReader dr = cmd.ExecuteReader(CommandBehavior .CloseConnection); 21 dataTable.Load(dr); 22 } 23 return dataTable; 24 } 25 26 /// <summary> 27 /// 根据DataTable生成Json 28 /// </summary> 29 /// <param name="table"> datatable</param> 30 /// <returns> json</returns> 31 public string DataTableToJson(DataTable table) 32 { 33 if (table == null || table.Rows.Count == 0) 34 { 35 return string .Empty; 36 } 37 38 var sb = new StringBuilder(); 39 sb.Append( "["); 40 41 string[] columnName = new string[table.Columns.Count];//列名数组 42 for (int i = 0; i < table.Columns.Count; i++) 43 { 44 columnName[i] = table.Columns[i].ColumnName.ToLower();//列名小写 45 } 46 //拼接列 47 for (int i = 0; i < table.Rows.Count; i++) 48 { 49 sb.Append( "{"); 50 for (int j = 0; j < columnName.Length; j++) 51 { 52 sb.Append( "\"" + columnName[j] + "\":\"" + table.Rows[i][j].ToString() + "\"" ); 53 if (j < columnName.Length - 1) 54 { 55 sb.Append( ","); 56 } 57 } 58 sb.Append( "}"); 59 if (i < table.Rows.Count - 1) 60 { 61 sb.Append( ","); 62 } 63 } 64 sb.Append( "]"); 65 66 table = null; 67 return sb.ToString(); 68 } 69 }
1 /// <summary> 2 /// WebService 的摘要说明 3 /// </summary> 4 [ WebService(Namespace = "http://tempuri.org/" )] 5 [ WebServiceBinding(ConformsTo = WsiProfiles .BasicProfile1_1)] 6 [System.ComponentModel. ToolboxItem(false )] 7 [System.Web.Script.Services.ScriptService] 8 public class WebService : System.Web.Services. WebService 9 { 10 [ WebMethod] 11 [ ScriptMethod(UseHttpGet = true , ResponseFormat = ResponseFormat.Json)] 12 public void GetUsersJson() 13 { 14 ExampleBLL BLL = new ExampleBLL(); 15 JavaScriptSerializer js = new JavaScriptSerializer(); 16 Context.Response.Clear(); 17 Context.Response.ContentType = "application/json"; 18 UserData data = new UserData(); 19 data.Message = BLL.DataTableToJson(BLL.GetDataTable()); 20 Context.Response.Write(js.Serialize(data.Message)); 21 } 22 23 public class UserData 24 { 25 public string Message { get; set; } 26 } 27 }
1 < webServices> 2 < protocols> 3 < add name ="HttpGet "/> 4 < add name ="HttpPost "/> 5 </ protocols> 6 </ webServices>
1 <html ng-app="serviceConsumer"> 2 <head> 3 <title> web service</title > 4 <style type="text/css"> 5 #tableResult 6 { 7 width: 500px ; 8 margin-top: 15px ; 9 border-top: 1px solid #3d3d3d; 10 border-left: 1px solid #3d3d3d; 11 } 12 #tableResult td 13 { 14 border-right: 1px solid #3d3d3d; 15 border-bottom: 1px solid #3d3d3d; 16 } 17 </style> 18 <script type="text/javascript" src="scripts/angular.min.js"></script> 19 </head> 20 <body> 21 <form id="form1" runat="server"> 22 <div> 23 <div ng-controller="usersController"> 24 搜索: <input type="text" ng-model="search" /> 25 <table id="tableResult" cellspacing="0" cellpadding="3"> 26 <thead> 27 <tr style="background-color : #eee;"> 28 <td> 29 序号 30 </td> 31 <td> 32 姓名 33 </td> 34 </tr> 35 </thead> 36 <tr ng-repeat="i in users | filter:search"> 37 <td style="width : 40px;"> 38 {{i.id}} 39 </td> 40 <td> 41 {{i.name }} 42 </td> 43 </tr> 44 </table> 45 </div> 46 <br /> 47 </div> 48 <script type="text/javascript"> 49 var app = angular.module(‘serviceConsumer‘ , []); 50 51 app.controller( ‘usersController‘, function ($scope, $http) { 52 var url = "Asmx/WebService.asmx/GetUsersJson" ; 53 $http.get(url).success( function (data) { 54 var myjson = JSON.parse(data); 55 $scope.users = JSON.parse(myjson); 56 }) 57 }) 58 </script> 59 </form> 60 </body> 61 </html>
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标签:style c class blog code java
原文地址:http://www.cnblogs.com/maitian-lf/p/3752666.html