公式编辑器很容易编辑上面的公式,但是使用.net程序如何实现公式编辑?毕竟工程计算上需要使用很多复杂公式,用.net生成说明书使用规范的公式是必然的。
Word文档 .net(c#)编辑公式 (使用域 Fields)
公式编辑器很容易编辑上面的公式,但是使用.net程序如何实现公式编辑?毕竟工程计算上需要使用很多复杂公式,用.net生成说明书使用规范的公式是必然的。
Eq是Equation(公式)的缩写,Eq域能够生成数学公式。创建公式当然最好用“公式编辑器”了,但在某些情况下使用Eq 域来输入简单的数学公式也是一个不错的选择。根据Eq域的不同开关,分别能完成以下内容:绘制二维数组、用方括号括住单个元素、创建分数、使用一个或两个元素绘制根号、设置上下标、在元素四周绘制边框及将多个值组成一个列表等等。
域的表达式一般为:eq \开关\选择项(文字),它允许同时套用多种开关创建更复杂的公式。
首先看看Word菜单插入/域:域类别=等式和公式;域名=Eq;(创建科学公式);域选项(开关)如下表:
开关
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说明
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\A()
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用任何编号的参数绘制二维矩阵
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\B()
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用适合元素大小的括弧来括住单个的元素
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\D()
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精确控制下一个字符的水平位置
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\F(,)
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创建在分数线上下居中的分数
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\I(,,)
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利用上限、下限和被积函数建立一个积分
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\L()
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创建数值列表
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\O()
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将每一个连续的元素重叠在其前一个元素上
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\R()
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绘制根式
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\S()
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将元素设置为上标或下标
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\X()
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在括号内文字的周围创建一个方框
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下面看几个比较实用的例子:
“EQ \i(-1,1,3x+7)”表示“3x+7”从-1到1的积分,开关\i(,,)能使用指定的符号或默认符号及三个元素创建积分。
“EQ \r(2,3m-2)”表示3m-2的平方根,(开关\r(,)能使用一个或两个元素绘制根号。
“EQ \f(7,8)”表示八分之七 ,(开关\f(,)能创建分数)。
“EQ \a \ac \co2 \vs3 \hs3(Ax,By,C,D)”表示一个二维数组。
“EQ \b \bc\{ (\r(3,x+y))” ,表示用方括号括住单个元素。
再看看复杂公式:
OK. Let’s Use .Net Programming:
有了Word域的基本知识后。如何用.NET实现,简单了,不过几行代码而已:
/// <summary>
/// 在Word中添加公式一、公式二
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
object oEndOfDoc = "\\endofdoc";
WordObject wd = new WordObject();
wd.CreateNewDocument(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"\ax.doc", true);
Word.Range range = wd.Document.Bookmarks.get_Item(ref oEndOfDoc).Range;
object fieldType = Word.WdFieldType.wdFieldEmpty;
object formula = @"EQ \R(3,a*\f(d,b\s(2))+\f(b+c+d,b-c-x)) ";//公式一
object preserveFormatting = false;
//字体设置
range.Text = formula.ToString();
range.Font.Size = 20;//字体大小
range.Font.Bold = 0;//粗体
range.Font.Subscript = 0;//是否为下标1为下标
range.Font.Color = Word.WdColor.wdColorYellow;//所选字体颜色
wd.Document.Fields.Add(range, ref fieldType, ref formula, ref preserveFormatting);//插入第一个公式
formula = @"EQ U\S\do(x)=\R(,U\s\do(z)\s(2)-U\s\do(r)\s(2))(%) ";//公式二
//字体设置
range.Text = formula.ToString();
range.Font.Size = 20;//字体大小
range.Font.Bold = 0;//粗体
range.Font.Subscript = 0;//是否为下标1为下标
range.Font.Color = Word.WdColor.wdColorRed;//所选字体颜色
Word.Field fd = wd.Document.Fields.Add(range, ref fieldType, ref formula, ref preserveFormatting);//插入第二个公式
}
操作Word的帮助类
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WordObject
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WordObject#region WordObject
public class WordObject
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{
static object oMissing = System.Reflection.Missing.Value;
static Object oFalse = false;
static Object oTrue = true;
private Word.Application WordApp;
private Word.Document WordDoc;
private string errorMsg;
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/**//// <summary>
/// Word 应用程序对象。
/// </summary>
public Word.Application Application
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{
get
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{
return WordApp;
}
}
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/**//// <summary>
/// Word 文档对象。
/// </summary>
public Word.Document Document
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{
get
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{
return WordDoc;
}
}
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/**//// <summary>
/// 属性:错误信息
/// </summary>
public string ErrorMsg
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{
get
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{
return errorMsg;
}
set
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{
errorMsg = value;
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}
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}
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/**//// <summary>
/// 构造函数,置空
/// </summary>
public WordObject()
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{
WordApp = null;
WordDoc = null;
}
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打开#region 打开
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/**//// <summary>
/// 取得Word应用程序对象。
/// </summary>
/// <returns></returns>
private Word.Application GetApplication()
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{
if (WordApp != null)
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{
try
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{
WordApp.Dummy2();
}
catch
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{
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}
}
if (WordApp == null)
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{
WordApp = new Word.Application();
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}
return WordApp;
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}
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/**//// <summary>
/// 打开已存在的Word文档。
/// </summary>
/// <param name="bVisible">是否打开Word窗口使得用户可以看到。</param>
/// <returns></returns>
public bool Open(string filename, bool bVisible)
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{
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GetApplication();
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try
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{
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WordApp.Visible = bVisible;
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if (WordDoc != null)
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{
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WordDoc.Close(ref oFalse, ref oMissing, ref oMissing);
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WordDoc = null;
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}
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object oFileName = filename;
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WordDoc = WordApp.Documents.Open(
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ref oFileName, ref oMissing, ref oMissing, ref oMissing,
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ref oMissing, ref oMissing, ref oMissing, ref oMissing,
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ref oMissing, ref oMissing, ref oMissing, ref oMissing,
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ref oMissing, ref oMissing, ref oMissing, ref oMissing);
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WordDoc.Activate();
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}
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catch (Exception exp)
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{
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ErrorMsg = exp.Message + "rn" + exp.StackTrace;
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return false;
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}
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ErrorMsg = string.Empty;
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return true;
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}
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/**//// <summary>
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/// 根据模板,新建Word一个文档。
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/// </summary>
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/// <param name="filename">模板路径。模板为空,则新建空白文档。</param>
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/// <param name="bVisible">是否打开Word窗口。</param>
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/// <returns></returns>
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public bool CreateNewDocument(string tplFileName, bool bVisible)
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{
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GetApplication();
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WordApp.Visible = bVisible;
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try
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{
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if (WordDoc != null)
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{
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WordDoc.Close(ref oFalse, ref oMissing, ref oMissing);
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WordDoc = null;
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}
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object oVisible = bVisible;
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object oFileName = tplFileName;
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if (tplFileName != null && tplFileName.Length > 0)
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{
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WordDoc = WordApp.Documents.Add(ref oFileName, ref oFalse, ref oMissing, ref oVisible);
}
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else
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{
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WordDoc = WordApp.Documents.Add(ref oMissing, ref oFalse, ref oMissing, ref oVisible);
}
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WordDoc.Activate();
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}
catch (Exception exp)
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{
try
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{
object oVisible = bVisible;
WordDoc = WordApp.Documents.Add(ref oMissing, ref oFalse, ref oMissing, ref oVisible);
}
catch (Exception excc)
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{
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ErrorMsg = exp.Message + "rn" + exp.StackTrace + "rn" + excc.Message;
return false;
}
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}
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ErrorMsg = string.Empty;
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return true;
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}
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#endregion
}
#endregion
这是带有字体设置效果的:
问题解决了。呵呵。以前还看到有专门卖这种第三方控件的。今天让他歇业。