• 上传图片文件和在线文本编辑器的使用


    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Vote_SubjectAdd.aspx.cs" Inherits="oa_vote_Vote_SubjectAdd" %>
    
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head id="Head1" runat="server">
        <title>添加投票主题</title>
        <link href="../../common/css/common.css" rel="stylesheet" type="text/css" />
        <link href="../../common/jquery-easyui-1.4.1/themes/default/easyui.css" rel="stylesheet" type="text/css" />
        <link href="../../common/jquery-easyui-1.4.1/themes/icon.css" rel="stylesheet" type="text/css" />
        <script src="../../common/js/jquery-1.7.1.min.js" type="text/javascript"></script>
        <script src="../../common/js/common.js" type="text/javascript"></script>
        <script src="../../common/DatePicker/WdatePicker.js" type="text/javascript"></script>
        <script src="../../common/jquery-easyui-1.4.1/jquery.easyui.min.js" type="text/javascript"></script>
        <script src="../../common/jquery-easyui-1.4.1/locale/easyui-lang-zh_CN.js" type="text/javascript"></script>
        <script src="../../common/js/jquery.urldecoder.min.js" type="text/javascript"></script>
        <script src="../../common/js/loading.js" type="text/javascript"></script>
            <script src="../../common/kindeditor/kindeditor-min.js" type="text/javascript"></script>
        <script src="../../common/kindeditor/lang/zh_CN.js" type="text/javascript"></script>
    
        <script type="text/javascript">
            $(document).ready(function () {
                KindEditor.ready(function (K) {
                    editor = K.create('#txtMainContent', {
                        cssPath: '../../common/kindeditor/plugins/code/prettify.css',
                        uploadJson: '../../common/kindeditor/asp.net/upload_json.ashx',
                        fileManagerJson: '../../common/kindeditor/asp.net/file_manager_json.ashx',
                        allowFileManager: true,
                        items: [
    'fontname', 'fontsize', '|', 'forecolor', 'hilitecolor', 'bold', 'italic', 'underline',
    'removeformat', '|', 'justifyleft', 'justifycenter', 'justifyright', 'insertorderedlist',
    'insertunorderedlist', '|', 'emoticons', 'image', 'link']
    
                    });
                });
    
            })
    
     
     
    
    
            function clearNoNum(obj) {
                obj.value = obj.value.replace(/[^d.]/g, ""); //清除“数字”和“.”以外的字符
                obj.value = obj.value.replace(/^./g, ""); //验证第一个字符是数字而不是.
                obj.value = obj.value.replace(/.{2,}/g, "."); //只保留第一个. 清除多余的.
                obj.value = obj.value.replace(".", "$#$").replace(/./g, "").replace("$#$", ".");
            }
            function back() {
                location.href = "Vote_SubjectList.aspx";
            }
    
            function setImageView(obj) {
                var array = new Array('gif', 'jpeg', 'png', 'jpg', 'bmp'); //可以上传的文件类型  
                if (obj.value == '') {
                    alert("选择要上传的图片!");
                    return false;
                }
                document.getElementById("hfImgTrue").value = "false";
                var fileContentType = obj.value.match(/^(.*)(.)(.{1,8})$/)[3]; //这个文件类型正则很有用   
                ////布尔型变量  
                var isExists = false;
                //循环判断图片的格式是否正确
                for (var i in array) {
                    if (fileContentType.toLowerCase() == array[i].toLowerCase()) {
                        document.getElementById("hfImgTrue").value = "true";
                        isExists = true;
                    }
                }
                if (isExists == false) {
                    alert("上传图片类型不正确!");
                    return false;
                }
                var file = obj.files[0];
                var blob = (typeof file === 'string') ? file : URL.createObjectURL(file);
                var img = document.getElementById("preview");
                img.src = blob;
            }
            //确认保存信息
            function CheckResult() {
    
    
    
                var idFile = document.getElementById("txtFileUpload").value;
                //判断是否选择图片  
                if (idFile == null || idFile == "") {
                    alert('请添加图片!');
                    return false;
                }
    
                var isImageTrue = document.getElementById("hfImgTrue").value;
                if (isImageTrue == "false") {
                    alert('上传图片格式不正确!');
                    return false;
                }
                return true;
    
    
            }
        </script>
    </head>
    <body>
        <form id="form1" runat="server">
        <div class="title" style ="overflow:hidden;">添加投票主题</div> 
    
    
            <table class="commontab" border="0" cellpadding="0" cellspacing="0" style=" 100%;
                overflow: auto;">
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        投票主题:
                        
                    </td>
                    <td style="text-align: left; padding-left: 1px;">
                        
                        <input id="txtname"  runat="server" class="txt" style=" 250px;" />
                        
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        开始时间:
                    </td>
                    <td style="text-align: left; padding-left: 1px;">
                        <input id="startTime" runat="server" type="text" class="txt date" style=" 150px;"
                             onfocus="WdatePicker({dateFmt:'yyyy-MM-dd HH:mm:ss'})" />
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        结束时间:
                    </td>
                    <td style="text-align: left; padding-left: 1px;">
                        <input id="endTime" runat="server" type="text" class="txt date" style=" 150px;"
                             onfocus="WdatePicker({dateFmt:'yyyy-MM-dd HH:mm:ss'})" />
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        投票个数:
                    </td>
                    <td style="text-align: left;  500px; padding-left: 1px;">
                        <input id="counts" onkeyup="clearNoNum(this)"  runat="server" class="txt" style=" 250px;" />&nbsp;&nbsp;<span style="color:red;">个数为0时,不做限制</span>
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        上传主题图片:
                    </td>
                    <td style="text-align: left; padding-left: 1px;">
                        <asp:FileUpload ID="txtFileUpload" Width="200" runat="server" onchange="setImageView(this)" />&nbsp;&nbsp;<span style="color:red;">上传图片最佳分辨率:1080*768</span>
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        
                    </td>
                    <td style="text-align: left;  500px; padding-left: 1px;">
                            <div id="localImag" style=" 100px; height: 100px;">
                                <img id="preview" alt="预览图片" src="Image/other_1.PNG" width="150" height="107"
                                    runat="server" />
                            </div>
                    </td>
                </tr>
                <tr>
                    <td style="text-align: right;  151px; height: 30px;">
                        投票简介:
                    </td>
                    <td style="text-align: left; padding-left: 1px;">
                        
                        <textarea id="txtMainContent" runat="server" cols="100" rows="8" style="80%;min-350px;height:300px;visibility:hidden;"></textarea>
                    </td>
                </tr>
    
    
            </table>
    
    
            <div class="brline"></div>
            <table class="commontab" style="table-layout: fixed;  100%;">
                <tr>
                    <td class="br" style="height: 50px; padding-left: 200px;">
                        <%--<a class="l-btn" href="javascript:void(0);" onclick="back();"><span class="l-btn-left">
                            <img src="/public/Themes/Images/arrow_left.png" alt="" />返 回</span></a>--%>
                            <asp:Panel id="Panel1" runat="server">
                        
                            <asp:Button ID="Button1" runat="server" Text="保 存" class="btn"
                            style="60px;height:25px;" onclick="baocunqj_Click" />
                                &nbsp;&nbsp;&nbsp;&nbsp;<input id="Button3" class="btn" type="button" style="60px;height:25px;" onclick="back();" value="返 回" /></asp:Panel> 
                    </td>
                </tr>
            </table>
          <asp:HiddenField ID="hfImageURL" runat="server" />
        <asp:HiddenField ID="hfImgTrue" runat="server" />
    //上面2个隐藏值要注意申明
    </form> </body> </html>

    后台代码

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using BLL.oa;
    using System.Data;
    using System.IO;
    using System.Text;
    
    public partial class oa_vote_Vote_SubjectAdd : System.Web.UI.Page
    {
        Vote_SubjectBLL vote = new Vote_SubjectBLL();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                counts.Value = "0";
            }
        }
        protected void baocunqj_Click(object sender, EventArgs e)
        {
            if (this.startTime.Value == "")
            {
                MessageBox.Show("开始时间不能为空!");
                return;
            }
            if (this.endTime.Value == "")
            {
                MessageBox.Show("结束时间不能为空!");
                return;
            }
            if (Convert.ToDateTime(this.startTime.Value) > Convert.ToDateTime(this.endTime.Value))
            {
                MessageBox.Show("开始时间不得晚于结束时间!");
                return;
            }
    
            string sysId = Guid.NewGuid().ToString();
            string name = txtname.Value;
            string startTime1 = startTime.Value;
            string endTime1 = endTime.Value;
            string counts1 = counts.Value;
            if (counts1.Length <= 0)
            {
                counts1 = "0";
            }
            string isCurrent1 = "1";
            string intro1 = txtMainContent.Value;
            string creatorId = SessionInclude.Id;//当前用户ID号
            string createDate = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            string image_big = "";
    
            if (txtFileUpload.PostedFile.FileName != "")
            {
                //上传文件到服务器
                string filename = sysId + "_2";
                string houzhui = txtFileUpload.PostedFile.FileName.Substring(this.txtFileUpload.PostedFile.FileName.LastIndexOf(".") + 1);
                if (!Directory.Exists(Server.MapPath("../../upload/vote/theme/" + sysId)))
                {
                    Directory.CreateDirectory(Server.MapPath("../../upload/vote/theme/" + sysId));
                }
                txtFileUpload.PostedFile.SaveAs(Server.MapPath("../../upload/vote/theme/" + sysId + "/" + filename + "." + houzhui));
    
                image_big = "<img style="50px;height:40px;" src="../../upload/vote/theme/" + sysId + "/" + filename + "." + houzhui + "" />";
    
                //image_big.Replace("\", "");
            }
    
    
            int result = vote.AddOA_Vote_SubjectList(sysId, name, startTime1, endTime1, counts1, isCurrent1, intro1, creatorId, createDate, image_big);
    
            if (result > 0)
            {
                Response.Redirect("Vote_SubjectList.aspx");
            }
            else
            {
                MessageBox.Show("操作失败!");
                return;
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/Zpyboke/p/5241104.html
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