using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Alipay.EasySDK.Kernel.Util
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{
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/// <summary>
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/// 生成页面信息辅助类
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/// </summary>
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public static class PageUtil
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{
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/// <summary>
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/// 生成表单
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/// </summary>
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/// <param name="actionUrl">表单提交链接</param>
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/// <param name="parameters">表单参数</param>
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/// <returns>表单字符串</returns>
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public static string BuildForm(string actionUrl, IDictionary<string, string> parameters)
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{
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return "<form name=\"punchout_form\" method=\"post\" action=\""
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+ actionUrl
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+ "\">\n"
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+ BuildHiddenFields(parameters)
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+ "<input type=\"submit\" value=\"立即支付\" style=\"display:none\" >\n"
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+ "</form>\n"
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+ "<script>document.forms[0].submit();</script>";
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}
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private static string BuildHiddenFields(IDictionary<string, string> parameters)
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{
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if (parameters == null || parameters.Count == 0)
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{
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return "";
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}
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StringBuilder stringBuilder = new StringBuilder();
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foreach (var pair in parameters)
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{
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if (pair.Key == null || pair.Value == null)
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{
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continue;
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}
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stringBuilder.Append(BuildHiddenField(pair.Key, pair.Value));
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}
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return stringBuilder.ToString();
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}
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private static string BuildHiddenField(string key, string value)
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{
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StringBuilder builder = new StringBuilder(64);
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builder.Append("<input type=\"hidden\" name=\"");
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builder.Append(key);
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builder.Append("\" value=\"");
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//转义双引号
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String a = value.Replace("\"", """);
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builder.Append(a).Append("\">\n");
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return builder.ToString();
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}
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}
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}
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