cross socket tcp client demo

cross socket tcp client demo

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155

/// <author>cxg 2020-8-13</author> /// cross socket tcp client demo   unit Unit1;   interface   uses   MsgPack, uCmd, uCrossTcpClient,   System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,   FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs,   FMX.Controls.Presentation, FMX.Edit, FMX.StdCtrls, System.Rtti, FMX.Grid.Style,   FMX.ScrollBox, FMX.Grid, Data.DB, Datasnap.DBClient, Data.Bind.EngExt,   Fmx.Bind.DBEngExt, Fmx.Bind.Grid, System.Bindings.Outputs, Fmx.Bind.Editors,   Data.Bind.Components, Data.Bind.Grid, Data.Bind.DBScope;   type   TForm1 = class(TForm)     Edit1: TEdit;     Edit2: TEdit;     Button1: TButton;     Button2: TButton;     StringGrid1: TStringGrid;     StringGrid2: TStringGrid;     ClientDataSet1: TClientDataSet;     ClientDataSet2: TClientDataSet;     BindSourceDB1: TBindSourceDB;     BindingsList1: TBindingsList;     LinkGridToDataSourceBindSourceDB1: TLinkGridToDataSource;     BindSourceDB2: TBindSourceDB;     LinkGridToDataSourceBindSourceDB2: TLinkGridToDataSource;     Button3: TButton;     OpenDialog1: TOpenDialog;     Timer1: TTimer;     Button4: TButton;     procedure Button1Click(Sender: TObject);     procedure Button2Click(Sender: TObject);     procedure FormCreate(Sender: TObject);     procedure FormDestroy(Sender: TObject);     procedure Button3Click(Sender: TObject);     procedure Timer1Timer(Sender: TObject);     procedure Button4Click(Sender: TObject);   private     { Private declarations }     fClient: TCrossTcpClient;     procedure query(pack: TMsgPack);   //因为cross tcp是全异步，所以回叫方法处理远程方法返回结果     procedure save(pack: TMsgPack);   public     { Public declarations }   end;   var   Form1: TForm1;   implementation   {$R *.fmx}   { TForm1 }   procedure TForm1.Button1Click(Sender: TObject); //连接中间件 begin   fClient.Connect(Edit1.Text, StrToInt(Edit2.Text));   Button1.Enabled := False; end;   procedure TForm1.Button2Click(Sender: TObject); //查询 begin   var pack: TMsgPack := TMsgPack.Create;   pack.Force('accountno').AsString := '1';    //帐套号   pack.Force('plugid').AsInteger :=9999;      //插件编号   pack.Force('funcid').AsInteger := cmd_query; //查询   pack.Force('sql1').AsString := 'select * from tgoods';   pack.Force('sql2').AsString := 'select * from tunit';   pack.Force('tablenum').AsInteger := 2;   //查询2个表   pack.Force('cmd').AsInteger := cmd_plugbin;  //二进制序列   fClient.Send(pack); end;   procedure TForm1.Button3Click(Sender: TObject); //上传文件 begin   if OpenDialog1.Execute then begin     var pack: TMsgPack := TMsgPack.Create;     pack.Force('filenum').AsInteger := 1;     //上传几个文件     pack.Force('file1').LoadBinaryFromFile(OpenDialog1.FileName); //文件     pack.Force('filename1').AsString := ExtractFileName(OpenDialog1.FileName);  //文件名称     pack.Force('plugid').AsInteger := 8888;   //插件编号     pack.Force('funcid').AsInteger := cmd_up;  //上传文件     pack.Force('cmd').AsInteger := cmd_plugbin;  //二进制序列     fClient.Send(pack);   end; end;   procedure TForm1.Button4Click(Sender: TObject); //保存修改的数据 begin   if ClientDataSet2.State in [dsInsert, dsEdit] then     ClientDataSet2.Post;   if ClientDataSet2.ChangeCount = 0 then     Exit;   var pack: TMsgPack := TMsgPack.Create;   pack.Force('accountno').AsString := '1';   //帐套号   pack.Force('plugid').AsInteger :=9999;     //插件编号   pack.Force('funcid').AsInteger := cmd_save;  //保存修改的数据   pack.Force('tablenum').AsInteger := 1;       //保存几个表   pack.Force('tablename1').AsString := 'tunit';  //待保存表名   pack.Force('delta1').AsVariant := ClientDataSet2.Delta;  //修改的数据   pack.Force('cmd').AsInteger := cmd_plugbin; //二进制序列   fClient.Send(pack); end;   procedure TForm1.FormCreate(Sender: TObject); begin   fClient := TCrossTcpClient.Create;   fClient.OnQuery := query;   fClient.OnSave := save; //  Button1Click(nil); end;   procedure TForm1.FormDestroy(Sender: TObject); begin   fClient.Free; end;   procedure TForm1.query(pack: TMsgPack); //查询返回结果处理 begin   ClientDataSet1.Data := pack.Force('dataset1').AsVariant;   ClientDataSet2.Data := pack.Force('dataset2').AsVariant; end;   procedure TForm1.save(pack: TMsgPack); //保存数据返回结果处理 begin   if pack.Force('return').AsBoolean then   begin     ClientDataSet2.MergeChangeLog;     ShowMessage('保存成功');   end   else   begin     ClientDataSet2.Cancel;     ShowMessage('保存失败');   end; end;   procedure TForm1.Timer1Timer(Sender: TObject); begin   Button2Click(nil); end;   end.