TT和LG编程系列之实体数据打印

TT和LG编程系列之实体数据打印

因为Itt8项目需要,今天下午就试着写了个打印类,功能不是很强,也因为Itt8项目要求不是很大,只需把DataGridView中的数据打印出来就行.

其实网上有一些DataGridView打印类和解决方案,但自己还是写一个属于自己的.把它贴出来,让初学者参考下,可以扩充一些.............

不说多了,用代码说话.

先来看张效果图:

 

 

下面我们来看看我们的实体类

 

Code
  1using System;
  2using System.Collections.Generic;
  3using System.Linq;
  4using System.Text;
  5
  6
  7/**//***************************************
  8 * 类名:FreightOrder
  9 * 描述:托运单实体类
 10 * 作者:刘江
 11 * 创建日期:208-8-30
 12 * *************************************/
 13namespace PrintDemo
 14{
 15    /**//// <summary>
 16    /// 托运单实体类
 17    /// </summary>
 18    [Serializable]
 19    public class FreightOrder
 20    {
 21        --- Propertity ---#region --- Propertity ---
 22        /**//// <summary>
 23        /// 托运单号
 24        /// </summary>
 25        public string FreightOrderId
 26        {
 27            get;
 28            set;
 29        }
 30
 31        /**//// <summary>
 32        /// 代付单号
 33        /// </summary>
 34        public string PayOrderId
 35        {
 36            get;
 37            set;
 38        }
 39
 40        /**//// <summary>
 41        /// 托运单备注
 42        /// </summary>
 43        public string Description
 44        {
 45            get;
 46            set;
 47        }
 48
 49        /**//// <summary>
 50        /// 贷物名称
 51        /// </summary>
 52        public string FreightName
 53        {
 54            get;
 55            set;
 56        }
 57
 58        /**//// <summary>
 59        /// 货物代号
 60        /// </summary>
 61        public string FreightCode
 62        {
 63            get;
 64            set;
 65        }
 66
 67        /**//// <summary>
 68        /// 体积
 69        /// </summary>
 70        public double? Volume
 71        {
 72            get;
 73            set;
 74        }
 75
 76        /**//// <summary>
 77        /// 体量
 78        /// </summary>
 79        public double? Weight
 80        {
 81            get;
 82            set;
 83        }
 84
 85        /**//// <summary>
 86        /// 其他
 87        /// </summary>
 88        public double? OtherExpense
 89        {
 90            get;
 91            set;
 92        }
 93
 94        /**//// <summary>
 95        /// 保险
 96        /// </summary>
 97        public double? Coverage
 98        {
 99            get;
100            set;
101        }
102        #endregion
103
104    }
105}
106

 

 

 

下面打印逻辑:

 

Code
  1using System;
  2using System.Collections.Generic;
  3using System.Linq;
  4using System.Text;
  5
  6
  7using System.Drawing;
  8using System.Drawing.Printing;
  9using System.Collections;
 10using System.Reflection;
 11
 12/**//***************************************
 13 * 类名:EntityReport
 14 * 描述:实体数据打印
 15 * 作者:刘江
 16 * 创建日期:208-8-30
 17 * 版权:********************************/
 18
 19namespace PrintDemo
 20{
 21    public class EntityReport
 22    {
 23        //要打印的文档
 24        private PrintDocument printDocument = null;
 25
 26        //起始位置X抽
 27        private int x = 50;
 28
 29        //起始位置Y抽
 30        private int y = 50;
 31
 32        //要打印的列宽
 33        private int colWidth = 90;
 34
 35        //要打印的行高
 36        private int rowHeight = 22;
 37
 38        //总的列宽
 39        private int totalWidth = 0;
 40
 41        //标题
 42        private string title = "itt8物流管理平台";
 43
 44        //所有的列名
 45        private PropertyInfo[] propertyList;
 46
 47        //字符串格式
 48        private StringFormat format = null;
 49
 50        //笔
 51        private Pen pen = new Pen(Brushes.Black);
 52
 53        //字体
 54        private Font font = new Font("微软雅黑", 9.0F);
 55
 56        //页码
 57        private int pageNo = 1;
 58
 59        public List<object> ListSource
 60        {
 61            get;
 62            set;
 63        }
 64
 65        public EntityReport(List<object> listSource, int x, int y, string title)
 66        {
 67            this.x = x;
 68            this.y = y;
 69            this.ListSource = listSource;
 70            this.title = title;
 71
 72            printDocument = new PrintDocument();
 73            printDocument.BeginPrint += new PrintEventHandler(printDocument_BeginPrint);
 74            printDocument.PrintPage += new PrintPageEventHandler(printDocument_PrintPage);
 75        }
 76
 77        /**//// <summary>
 78        /// 打印事件
 79        /// </summary>
 80        /// <param name="sender"></param>
 81        /// <param name="e"></param>
 82        private void printDocument_PrintPage(object sender, PrintPageEventArgs e)
 83        {
 84            Graphics g = e.Graphics;
 85
 86            int tempTop = y;
 87            int tempLeft = x;
 88            int currentRow = 0;
 89
 90            //设置是否为横向纸张
 91            if (totalWidth > e.PageSettings.Bounds.Width - x * 2)
 92            {
 93                e.PageSettings.Landscape = false;
 94            }
 95            try
 96            {
 97                if (pageNo == 1)
 98                {
 99
100                    //打印出一条线
101                    g.DrawLine(pen, x, y, e.PageSettings.Bounds.Width - x * 2, y);
102                    tempTop += 10;
103                    Font fontHead = new Font("微软雅黑", 14.0F);
104                    g.DrawString(title, fontHead, Brushes.Black, x + 200, tempTop);
105                    tempTop += rowHeight + 10;
106                }
107                DrawHead(g, ref tempTop);
108                while (currentRow < ListSource.Count)
109                {
110                    if (tempTop + rowHeight > e.PageSettings.Bounds.Height + y * 2)
111                    {
112                        //下一页了
113                        pageNo++;
114                        DrawHead(g, ref tempTop);
115                        tempTop = y;
116                    }
117                    else
118                    {
119                        //打印数据
120
121                        Rectangle rct = new Rectangle(tempLeft, tempTop, colWidth, rowHeight);
122                        foreach (PropertyInfo pi in propertyList)
123                        {
124                            string value = pi.GetValue(ListSource[currentRow], null).ToString();
125                            g.DrawRectangle(pen, rct);
126                            g.DrawString(value, font, Brushes.Black, rct);
127                            tempLeft += colWidth;
128                            rct = new Rectangle(tempLeft, tempTop, colWidth, rowHeight);
129                        }
130                        tempTop += rowHeight;
131                        tempLeft = x;
132                        currentRow++;
133                    }
134                }
135
136            }
137            catch (Exception ex)
138            {
139                throw ex;
140            }
141            finally
142            {
143                e.Graphics.Dispose();
144            }
145        }
146
147        /**//// <summary>
148        /// 打印表头
149        /// </summary>
150        /// <param name="g"></param>
151        /// <param name="tempTop"></param>
152        private void DrawHead(Graphics g, ref int tempTop)
153        {
154            int tempX = x;
155            int tempY = tempTop;
156            if (null == propertyList)
157            {
158                propertyList = ListSource[0].GetType().GetProperties();
159            }
160            Rectangle rct = new Rectangle(tempX, tempTop, colWidth, rowHeight);
161            foreach (PropertyInfo pi in propertyList)
162            {
163                g.DrawRectangle(pen, rct);
164                g.DrawString(pi.Name, font, Brushes.Black, rct);
165                tempX += colWidth;
166                rct = new Rectangle(tempX, tempTop, colWidth, rowHeight);
167            }
168            tempTop += rowHeight;
169        }
170
171        /**//// <summary>
172        /// 开始打印前的工作
173        /// </summary>
174        /// <param name="sender"></param>
175        /// <param name="e"></param>
176        private void printDocument_BeginPrint(object sender, PrintEventArgs e)
177        {
178            //得到所有的列名
179            Type entityType = ListSource[0].GetType();
180            PropertyInfo[] propertyList = entityType.GetProperties();
181
182            //计算总宽度
183            totalWidth = propertyList.Length * colWidth;
184
185            format = new StringFormat();
186            format.Alignment = StringAlignment.Near;
187            format.LineAlignment = StringAlignment.Center;
188            format.Trimming = StringTrimming.EllipsisCharacter;
189        }
190
191        /**//// <summary>
192        /// 打印方法
193        /// </summary>
194        public void Print()
195        {
196            printDocument.Print();
197        }
198    }
199}
200

 

 

程序调用测试代码:

 

Code
 1using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5
 6/**//***************************************
 7 * 类名:Program
 8 * 描述:打印程序
 9 * 作者:刘江
10 * 创建日期:208-8-30
11 * *************************************/
12
13namespace PrintDemo
14{
15    class Program
16    {
17        static void Main(string[] args)
18        {
19            //测试数据
20            List<object> listOrder = new List<object>();
21            for (int i = 0; i < 40; i++)
22            {
23                FreightOrder fo = new FreightOrder();
24
25                fo.Coverage = 1000;
26                fo.Description = "日子不好过";
27                fo.FreightCode = "B40";
28                fo.FreightName = "食物";
29                fo.FreightOrderId = "B000001";
30                fo.FreightCode = "B14";
31                fo.Volume = 100;
32                fo.Weight = 150;
33                fo.PayOrderId = "D1200000";
34                fo.OtherExpense = 150;
35                listOrder.Add(fo);
36            }
37            EntityReport report = new EntityReport(listOrder, 10, 60, "Itt8物流管理平台");
38            report.Print();
39
40            Console.ReadKey();
41        }
42    }
43}
44

 

 

结束;功能不足,可以跟据您自己的需要进行扩兖,其实有些细节问题我没有考虑!我这人比较懒,够我用就OK,所以就写了这么多!

源码下载:下载程序 

 

 

 

作者：Louja
出处：http://louja.cnblogs.com
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此声明，且在文章页面给出原文连接，否则保留追究法律责任的权利。