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原文地址:https://wwwblogs/wohexiaocai/p/4522046.html
using System;
using System.Diagnostics;
using System.IO;
using System.Windows.Forms;
using Microsoft.Win32;
namespace WindowsFormsApplication1
{
public class BrowserHelper
{
/// <summary>
/// 调用系统浏览器打开网页
/// http://m.jb51/article/44622.htm
/// http://www.2cto/kf/201412/365633.html
/// </summary>
/// <param name="url">打开网页的链接</param>
public static void OpenBrowserUrl(string url)
{
try
{
// 64位注册表路径
var openKey = @"SOFTWARE\Wow6432Node\Google\Chrome";
if (IntPtr.Size == 4)
{
// 32位注册表路径
openKey = @"SOFTWARE\Google\Chrome";
}
RegistryKey appPath = Registry.LocalMachine.OpenSubKey(openKey);
// 谷歌浏览器就用谷歌打开,没找到就用系统默认的浏览器
// 谷歌卸载了,注册表还没有清空,程序会返回一个"系统找不到指定的文件。"的bug
if (appPath != null)
{
var result = Process.Start("chrome.exe", url);
if (result == null)
{
OpenIe(url);
}
}
else
{
var result = Process.Start("chrome.exe", url);
if (result == null)
{
OpenDefaultBrowserUrl(url);
}
}
}
catch
{
// 出错调用用户默认设置的浏览器,还不行就调用IE
OpenDefaultBrowserUrl(url);
}
}
/// <summary>
/// 用IE打开浏览器
/// </summary>
/// <param name="url"></param>
public static void OpenIe(string url)
{
try
{
Process.Start("iexplore.exe", url);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
// IE浏览器路径安装:C:\Program Files\Internet Explorer
// at System.Diagnostics.process.StartWithshellExecuteEx(ProcessStartInfo startInfo)注意这个错误
try
{
if (File.Exists(@"C:\Program Files\Internet Explorer\iexplore.exe"))
{
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = @"C:\Program Files\Internet Explorer\iexplore.exe",
Arguments = url,
UseShellExecute = false,
CreateNoWindow = true
};
Process.Start(processStartInfo);
}
else
{
if (File.Exists(@"C:\Program Files (x86)\Internet Explorer\iexplore.exe"))
{
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = @"C:\Program Files (x86)\Internet Explorer\iexplore.exe",
Arguments = url,
UseShellExecute = false,
CreateNoWindow = true
};
Process.Start(processStartInfo);
}
else
{
if (MessageBox.Show(@"系统未安装IE浏览器,是否下载安装?", null, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
// 打开下载链接,从微软官网下载
OpenDefaultBrowserUrl("http://windows.microsoft/zh-cn/internet-explorer/download-ie");
}
}
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
}
/// <summary>
/// 打开系统默认浏览器(用户自己设置了默认浏览器)
/// </summary>
/// <param name="url"></param>
public static void OpenDefaultBrowserUrl(string url)
{
try
{
// 方法1
//从注册表中读取默认浏览器可执行文件路径
RegistryKey key = Registry.ClassesRoot.OpenSubKey(@"http\shell\open\command\");
if (key != null)
{
string s = key.GetValue("").ToString();
//s就是你的默认浏览器,不过后面带了参数,把它截去,不过需要注意的是:不同的浏览器后面的参数不一样!
//"D:\Program Files (x86)\Google\Chrome\Application\chrome.exe" -- "%1"
var lastIndex = s.IndexOf(".exe", StringComparison.Ordinal);
if (lastIndex == -1)
{
lastIndex = s.IndexOf(".EXE", StringComparison.Ordinal);
}
var path = s.Substring(1, lastIndex + 3);
var result = Process.Start(path, url);
if (result == null)
{
// 方法2
// 调用系统默认的浏览器
var result1 = Process.Start("explorer.exe", url);
if (result1 == null)
{
// 方法3
Process.Start(url);
}
}
}
else
{
// 方法2
// 调用系统默认的浏览器
var result1 = Process.Start("explorer.exe", url);
if (result1 == null)
{
// 方法3
Process.Start(url);
}
}
}
catch
{
OpenIe(url);
}
}
/// <summary>
/// 火狐浏览器打开网页
/// </summary>
/// <param name="url"></param>
public static void OpenFireFox(string url)
{
try
{
// 64位注册表路径
var openKey = @"SOFTWARE\Wow6432Node\Mozilla\Mozilla Firefox";
if (IntPtr.Size == 4)
{
// 32位注册表路径
openKey = @"SOFTWARE\Mozilla\Mozilla Firefox";
}
RegistryKey appPath = Registry.LocalMachine.OpenSubKey(openKey);
if (appPath != null)
{
var result = Process.Start("firefox.exe", url);
if (result == null)
{
OpenIe(url);
}
}
else
{
var result = Process.Start("firefox.exe", url);
if (result == null)
{
OpenDefaultBrowserUrl(url);
}
}
}
catch
{
OpenDefaultBrowserUrl(url);
}
}
}
}
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