cyf
149 lines
4.8 KiB
C#
149 lines
4.8 KiB
C#
using System;
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using Zhaizj.Framework;
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namespace Zhaizj.Framework.SOA.Controls {
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/// <summary>
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/// 参数在 html 表单中对应的控件
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/// </summary>
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public abstract class ParamControl {
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/// <summary>
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/// web界面中显示用的字符
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/// </summary>
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public String Label { get; set; }
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/// <summary>
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/// 参数名称，从0开始：param0, param1, param2, .... paramN
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/// </summary>
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public String Name { get; set; }
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/// <summary>
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/// 参数的值，用于传递
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/// </summary>
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public String Value { get; set; }
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/// <summary>
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/// 控件的 Html
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/// </summary>
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public abstract String Html { get; }
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/// <summary>
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/// 参数的类型
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/// </summary>
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public abstract Type Type { get; }
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protected ParamControl() { }
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/// <summary>
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/// 将参数值转换为正确的参数类型
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/// </summary>
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/// <param name="val"></param>
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/// <returns></returns>
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public Object ChangeType( Object val ) {
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if (val == null) return getNullValue( val );
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try {
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return Convert.ChangeType( val, this.Type );
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}
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catch {
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return getNullValue( val );
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}
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}
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private Object getNullValue( Object val ) {
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if (this.Type == typeof( int )) return 0;
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if (this.Type == typeof( DateTime )) return DateTime.Now;
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return "";
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}
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/// <summary>
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/// 获取参数对应的控件
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/// </summary>
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/// <param name="param"></param>
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/// <param name="paramIndex"></param>
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/// <returns></returns>
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public static ParamControl GetControl( String param, int paramIndex ) {
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return GetControl( param, paramIndex, "" );
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}
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/// <summary>
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/// 获取参数对应的控件
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/// </summary>
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/// <param name="param"></param>
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/// <param name="paramIndex"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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public static ParamControl GetControl( String param, int paramIndex, String value ) {
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if (strUtil.IsNullOrEmpty( param )) return null;
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String[] strArray = param.Split( new char[] { '=' } );
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String itemName = strArray[0];
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String itemValue = strArray[1];
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if (itemValue.StartsWith( "IntTextbox" )) {
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IntTextbox intBox = new IntTextbox();
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init( intBox, itemName, paramIndex, value );
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return intBox;
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}
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if (itemValue.StartsWith( "IntDroplist" )) {
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IntDroplist droplist = new IntDroplist();
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initList( droplist, itemName, paramIndex, value, itemValue );
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return droplist;
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}
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if (itemValue.StartsWith( "StringTextbox" )) {
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StringTextbox strBox = new StringTextbox();
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init( strBox, itemName, paramIndex, value );
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return strBox;
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}
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if (itemValue.StartsWith( "StringDroplist" )) {
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StringDroplist droplist = new StringDroplist();
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initList( droplist, itemName, paramIndex, value, itemValue );
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return droplist;
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}
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if (itemValue.StartsWith( "StringRadio" )) {
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StringRadio radio = new StringRadio();
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initList( radio, itemName, paramIndex, value, itemValue );
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return radio;
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}
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if (itemValue.StartsWith( "StringCheckbox" )) {
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StringCheckbox checkbox = new StringCheckbox();
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initList( checkbox, itemName, paramIndex, value, itemValue );
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return checkbox;
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}
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if (itemValue.StartsWith( "LongTextbox" )) {
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LongTextbox longBox = new LongTextbox();
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init( longBox, itemName, paramIndex, value );
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return longBox;
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}
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return null;
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}
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private static void init( ParamControl ctl, String itemName, int paramIndex, String value ) {
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ctl.Label = itemName;
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// 参数从0开始：param0, param1, param2, .... paramN
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ctl.Name = "param" + paramIndex;
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ctl.Value = value;
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}
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private static void initList( ParamControl ctl, String itemName, int paramIndex, String value, String itemValue ) {
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ctl.Label = itemName;
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ctl.Name = "param" + paramIndex;
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ctl.Value = value;
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((IListControl)ctl).Options = getOptions( itemValue );
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}
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private static String[] getOptions( String itemValue ) {
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String str = itemValue.TrimEnd( ')' ).Split( '(' )[1];
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return str.Split( '/' );
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}
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}
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}
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