c# winform基于Spire.Doc完成word添加水印功能
1.在项目“管理NuGet”程序包中搜索 Spire.Doc，这里选择FreeSpire.Doc。这是免费版本的
2.开始编写
// 主要程序
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public static Color ColorTheck=Color.LightGray;
public static string file;
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Multiselect = true; //该值确定是否可以选择多个文件
dialog.Title = "请选择文件"; //弹窗的标题
dialog.InitialDirectory = "D:\\"; //默认打开的文件夹的位置
dialog.Filter = "MicroSoft Excel文件(*.docx)|*.docx|所有文件(*.*)|*.*"; //筛选文件
dialog.ShowHelp = true; //是否显示“帮助”按钮
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
file = dialog.FileName;
label2.Text = file;
}
}
private void WordDocViewer(string fileName)
{
try
{
System.Diagnostics.Process.Start(fileName);
}
catch { }
}
private void label1_Click(object sender, EventArgs e)
{
}
private void label3_Click(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
ColorDialog colorDia = new ColorDialog();
if (colorDia.ShowDialog() == DialogResult.OK)
{
//获取所选择的颜色
Color colorChoosed = colorDia.Color;
ColorTheck = colorDia.Color;
//改变panel的背景色
button2.Text = colorChoosed.Name;
}
}
public string getRandomColor()
{
Random r = new Random();
var color = System.Drawing.Color.FromArgb(r.Next(255), r.Next(255), r.Next(255), r.Next(255));
return System.Drawing.ColorTranslator.ToHtml(color);
}
private void button3_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(file))
{
MessageBox.Show("未上传文件", "错误", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
} else
{
// 创建 Document 类的对象
Document doc = new Document();
//从磁盘加载 Word 文档
doc.LoadFromFile(file);
if (radioButton2.Checked)
{
TextWatermark txtWatermark = new TextWatermark();
txtWatermark.Text = textBox1.Text;
txtWatermark.FontSize = Convert.ToInt32(textBox7.Text);
txtWatermark.Color = ColorTheck;
txtWatermark.Layout = WatermarkLayout.Diagonal;
doc.Sections[0].Document.Watermark = txtWatermark;
}
if (radioButton1.Checked)
{
//创建形状，并设置大小、文本内容、位置及样式
ShapeObject shape = new ShapeObject(doc, ShapeType.TextPlainText);
shape.Width = Convert.ToDouble(textBox2.Text);
shape.Height = Convert.ToDouble(textBox3.Text);
shape.VerticalPosition = Convert.ToInt32(textBox4.Text);
shape.HorizontalPosition = Convert.ToInt32(textBox5.Text);
shape.Rotation = Convert.ToInt32(textBox6.Text);
shape.WordArt.Text = textBox1.Text;
shape.WordArt.FontFamily = "宋体";
shape.FillColor = ColorTheck;
shape.StrokeColor = ColorTheck;
//遍历所有section
for (int n = 0; n < doc.Sections.Count; n++)
{
Section section = doc.Sections[n];
//获取页眉
HeaderFooter header = section.HeadersFooters.Header;
//添加段落到页眉
Paragraph paragraph1 = header.AddParagraph();
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 6; j++)
{
//复制形状并设置多行多列位置
shape = (ShapeObject)shape.Clone();
shape.VerticalPosition = 50 + 150 * i;
shape.HorizontalPosition = 20 + 160 * j;
//添加形状到段落
paragraph1.ChildObjects.Add(shape);
}
}
}
}
//保存文档
doc.SaveToFile("D://result.docx", FileFormat.Docx2013);
label3.Text = "D:\\result.docx";
}
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
}
}
winform 设计
namespace WindowsFormsApp1
{
partial class Form1
{
///