init lserp cs 5.0
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cyf
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Collections;
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using System.Reflection;
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using Zhaizj.Framework.Reflection;
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using Zhaizj.Framework.ORM;
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namespace Zhaizj.Framework.Serialization {
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/// <summary>
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/// json 序列化工具：将对象转换成 json 字符串
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/// </summary>
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public class JsonString {
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private static Boolean getDefaultIsBreakline() {
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return false;
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}
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private static String empty() {
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return "\"\"";
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}
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/// <summary>
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/// 将对象转换成 json 字符串
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static String Convert( Object obj ) {
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return Convert( obj, getDefaultIsBreakline() );
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}
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/// <summary>
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/// 将对象转换成 json 字符串
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="isBreakline">是否换行(默认不换行，阅读起来更加清晰)</param>
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/// <returns></returns>
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public static String Convert( Object obj, Boolean isBreakline ) {
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if (obj == null) return empty();
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Type t = obj.GetType();
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if (t.IsArray) return ConvertArray( (object[])obj );
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if (rft.IsInterface( t, typeof( IList ) )) return ConvertList( (IList)obj );
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if (rft.IsInterface( t, typeof( IDictionary ) )) return ConvertDictionary( (IDictionary)obj, isBreakline );
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if (t == typeof( int ) ||
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t == typeof( decimal ) ||
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t == typeof( double )) {
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return obj.ToString();
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}
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if (t == typeof( Boolean )) return obj.ToString().ToLower();
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if (t == typeof( DateTime )) return "\"" + obj.ToString() + "\"";
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if (t == typeof( String )) {
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// 转义双引号，消除换行
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return "\"" + ClearNewLine( obj.ToString() ) + "\"";
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}
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return ConvertObject( obj, isBreakline );
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}
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/// <summary>
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/// 清楚json字符串中的换行符
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static String ClearNewLine( String str ) {
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if (str == null) return null;
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return str
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.Replace( @"\", @"\\" )
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.Replace( "\"", "\\" + "\"" )
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.Replace( "\r", "" )
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.Replace( "\n", "" )
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.Replace( "\t", "" );
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}
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/// <summary>
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/// 将对象数组转换成 json 字符串
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/// </summary>
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/// <param name="arrObj"></param>
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/// <returns></returns>
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public static String ConvertArray( object[] arrObj ) {
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if (arrObj == null) return "[]";
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StringBuilder sb = new StringBuilder();
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sb.Append( "[ " );
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for (int i = 0; i < arrObj.Length; i++) {
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if (arrObj[i] == null) continue;
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sb.Append( Convert( arrObj[i], getDefaultIsBreakline() ) );
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if (i < arrObj.Length - 1) sb.Append( ", " );
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}
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sb.Append( " ]" );
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return sb.ToString();
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}
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/// <summary>
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/// 将对象列表转换成 json 字符串
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/// </summary>
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/// <param name="list"></param>
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/// <returns></returns>
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public static String ConvertList( IList list ) {
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return ConvertList( list, getDefaultIsBreakline() );
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}
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/// <summary>
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/// 将对象列表转换成 json 字符串
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/// </summary>
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/// <param name="list"></param>
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/// <param name="isBreakline">是否换行(默认不换行，阅读起来更加清晰)</param>
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/// <returns></returns>
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public static String ConvertList( IList list, Boolean isBreakline ) {
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if (list == null) return "[]";
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StringBuilder sb = new StringBuilder();
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sb.Append( "[ " );
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if (isBreakline) sb.AppendLine();
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for (int i = 0; i < list.Count; i++) {
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if (list[i] == null) continue;
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sb.Append( Convert( list[i], isBreakline ) );
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if (i < list.Count - 1) sb.Append( ", " );
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if (isBreakline) sb.AppendLine();
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}
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sb.Append( " ]" );
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return sb.ToString();
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}
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/// <summary>
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/// 将字典 Dictionary 转换成 json 字符串
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/// </summary>
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/// <param name="dic"></param>
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/// <returns></returns>
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public static String ConvertDictionary( IDictionary dic ) {
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return ConvertDictionary( dic, getDefaultIsBreakline() );
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}
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/// <summary>
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/// 将字典 Dictionary 转换成 json 字符串
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/// </summary>
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/// <param name="dic"></param>
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/// <param name="isBreakline">是否换行(默认不换行，阅读起来更加清晰)</param>
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/// <returns></returns>
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public static String ConvertDictionary( IDictionary dic, Boolean isBreakline ) {
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if (dic == null) return empty();
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StringBuilder builder = new StringBuilder();
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builder.Append( "{ " );
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if (isBreakline) builder.AppendLine();
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foreach (DictionaryEntry pair in dic) {
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builder.Append( "\"" );
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builder.Append( pair.Key );
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builder.Append( "\":" );
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builder.Append( Convert( pair.Value, isBreakline ) );
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builder.Append( ", " );
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if (isBreakline) builder.AppendLine();
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}
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String result = builder.ToString().Trim().TrimEnd( ',' );
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if (isBreakline) result += Environment.NewLine;
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return result + " }";
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}
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/// <summary>
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/// 将对象转换成 json 字符串
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static String ConvertObject( Object obj ) {
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return ConvertObject( obj, getDefaultIsBreakline() );
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}
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/// <summary>
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/// 将对象转换成 json 字符串
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="isBreakline">是否换行(默认不换行，阅读起来更加清晰)</param>
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/// <returns></returns>
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public static String ConvertObject( Object obj, Boolean isBreakline ) {
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return ConvertObject( obj, isBreakline, true );
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}
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/// <summary>
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/// 将对象转换成 json 字符串
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="isBreakline">是否换行(默认不换行，阅读起来更加清晰)</param>
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/// <param name="withQuotation">属性名是否使用引号(默认不启用)</param>
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/// <returns></returns>
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public static String ConvertObject( Object obj, Boolean isBreakline, Boolean withQuotation ) {
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StringBuilder builder = new StringBuilder();
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builder.Append( "{ " );
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if (isBreakline) builder.AppendLine();
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PropertyInfo[] properties = obj.GetType().GetProperties( BindingFlags.Public | BindingFlags.Instance );
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Boolean isIdFind = false;
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Boolean isNameFind = false;
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Object idValue = "";
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Object nameValue = "";
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List<PropertyInfo> propertyList = new List<PropertyInfo>();
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foreach (PropertyInfo info in properties) {
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if (info.Name.Equals( "Id" )) {
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isIdFind = true;
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idValue = ReflectionUtil.GetPropertyValue( obj, "Id" );
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}
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else if (info.Name.Equals( "Name" )) {
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isNameFind = true;
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nameValue = ReflectionUtil.GetPropertyValue( obj, "Name" );
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}
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else {
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propertyList.Add( info );
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}
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}
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if (withQuotation) {
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if (isIdFind) builder.AppendFormat( "\"Id\":{0}, ", idValue );
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if (isNameFind) builder.AppendFormat( "\"Name\":\"{0}\", ", nameValue );
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}
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else {
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if (isIdFind) builder.AppendFormat( "Id:{0}, ", idValue );
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if (isNameFind) builder.AppendFormat( "Name:\"{0}\", ", nameValue );
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}
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foreach (PropertyInfo info in propertyList) {
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if (info.IsDefined( typeof( NotSerializeAttribute ), false )) {
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continue;
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}
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Object propertyValue = ReflectionUtil.GetPropertyValue( obj, info.Name );
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String jsonValue;
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if (info.PropertyType.IsArray) {
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jsonValue = ConvertArray( (object[])propertyValue );
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}
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else if (rft.IsInterface( info.PropertyType, typeof( IList ) )) {
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jsonValue = ConvertList( (IList)propertyValue, isBreakline );
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}
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else {
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jsonValue = Convert( propertyValue, isBreakline );
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}
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if (withQuotation) {
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builder.AppendFormat( "\"{0}\":{1}", info.Name, jsonValue );
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}
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else {
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builder.AppendFormat( "{0}:{1}", info.Name, jsonValue );
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}
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builder.Append( ", " );
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if (isBreakline) builder.AppendLine();
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}
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String result = builder.ToString().Trim().TrimEnd( ',' );
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if (isBreakline) result += Environment.NewLine;
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return result + " }";
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}
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public static String ConvertEntity( IEntity obj ) {
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StringBuilder builder = new StringBuilder();
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builder.Append( "{ " );
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EntityInfo ei = Entity.GetInfo( obj );
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List<EntityPropertyInfo> ps = ei.PropertyListAll;
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foreach (EntityPropertyInfo info in ps) {
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if (shouldPass( info )) continue;
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Object propertyValue = info.GetValue( obj );
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String jsonValue;
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if (propertyValue == null) {
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jsonValue = empty();
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}
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else {
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if (info.IsEntity) {
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jsonValue = ConvertEntity( propertyValue as IEntity );
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}
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else
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jsonValue = Convert( propertyValue, false );
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}
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builder.AppendFormat( "{0}:{1}", info.Name, jsonValue );
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builder.Append( ", " );
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}
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String result = builder.ToString().Trim().TrimEnd( ',' );
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return result + " }";
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}
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private static bool shouldPass( EntityPropertyInfo info ) {
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if (info.Type == typeof( int )) return false;
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if (info.Type == typeof( string )) return false;
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if (info.Type == typeof( decimal )) return false;
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if (info.Type == typeof( DateTime )) return false;
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if (info.Type == typeof( bool )) return false;
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if (info.Type == typeof( double )) return false;
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if (info.IsEntity) return false;
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return true;
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}
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}
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}
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