字符串转键盘码

原内容  http://www.cnblogs.com/ccqin/articles/2317832.html

整理了 键盘码 

int KEYEVENTF_KEYUP = 2;
        byte VK_SHIFT = 16;
        byte VK_SPACE = 32;
        /// <summary>
        /// 模拟输入
        /// </summary>
        /// <param name="str"></param>
        public void KeyPress(string str)
        {
            for (int i = 0; i < str.Length; i++)//每一个字符分别转成ASCII
            {
                char key = str[i];
                if (key == ' ')
                {
                    keybd_event(VK_SPACE, 0, 0, 0);
                    keybd_event(VK_SPACE, 0, KEYEVENTF_KEYUP, 0);
                }
                else if (key >= '0' && key <= '9')
                {
                    keybd_event((byte)VkKeyScanA(key), 0, 0, 0);
                    keybd_event((byte)VkKeyScanA(key), 0, KEYEVENTF_KEYUP, 0);
                }
                else if (key >= 'A' && key <= 'Z')
                {
                    keybd_event(VK_SHIFT, 0, 0, 0);
                    keybd_event((byte)VkKeyScanA(key), 0, 0, 0);
                    keybd_event((byte)VkKeyScanA(key), 0, KEYEVENTF_KEYUP, 0);
                    keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                }
                else if (key >= 'a' && key <= 'z')
                {
                    keybd_event((byte)VkKeyScanA(key), 0, 0, 0);
                    keybd_event((byte)VkKeyScanA(key), 0, KEYEVENTF_KEYUP, 0);
                }
                else if (key == '\t')
                {
                    keybd_event((byte)Keys.Tab, 0, 0, 0);
                    keybd_event((byte)Keys.Tab, 0, KEYEVENTF_KEYUP, 0);
                }
                else
                {
                    switch (key)
                    {
                        #region keys
                        case '\t':
                            keybd_event((byte)Keys.Tab, 0, 0, 0);
                            keybd_event((byte)Keys.Tab, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ',':
                            keybd_event((byte)188, 0, 0, 0);
                            keybd_event((byte)188, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '<':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)188, 0, 0, 0);
                            keybd_event((byte)188, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '.':
                            keybd_event((byte)190, 0, 0, 0);
                            keybd_event((byte)190, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '>':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)190, 0, 0, 0);
                            keybd_event((byte)190, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '/':
                            keybd_event((byte)191, 0, 0, 0);
                            keybd_event((byte)191, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '?':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)191, 0, 0, 0);
                            keybd_event((byte)191, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '\\':
                            keybd_event((byte)220, 0, 0, 0);
                            keybd_event((byte)220, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '|':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)220, 0, 0, 0);
                            keybd_event((byte)220, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ';':
                            keybd_event((byte)186, 0, 0, 0);
                            keybd_event((byte)186, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ':':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)186, 0, 0, 0);
                            keybd_event((byte)186, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '\'':
                            keybd_event((byte)222, 0, 0, 0);
                            keybd_event((byte)222, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '"':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)222, 0, 0, 0);
                            keybd_event((byte)222, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '[':
                            keybd_event((byte)219, 0, 0, 0);
                            keybd_event((byte)219, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '{':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)219, 0, 0, 0);
                            keybd_event((byte)219, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ']':
                            keybd_event((byte)219, 0, 0, 0);
                            keybd_event((byte)219, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ' ':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)221, 0, 0, 0);
                            keybd_event((byte)221, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '-':
                            keybd_event((byte)189, 0, 0, 0);
                            keybd_event((byte)189, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '_':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)189, 0, 0, 0);
                            keybd_event((byte)189, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '=':
                            keybd_event((byte)187, 0, 0, 0);
                            keybd_event((byte)187, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '+':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)187, 0, 0, 0);
                            keybd_event((byte)187, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '`':
                            keybd_event((byte)192, 0, 0, 0);
                            keybd_event((byte)192, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '~':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)192, 0, 0, 0);
                            keybd_event((byte)192, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '!':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)49, 0, 0, 0);
                            keybd_event((byte)49, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '@':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)50, 0, 0, 0);
                            keybd_event((byte)50, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '#':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)51, 0, 0, 0);
                            keybd_event((byte)51, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '$':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)52, 0, 0, 0);
                            keybd_event((byte)52, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '%':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)53, 0, 0, 0);
                            keybd_event((byte)53, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '^':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)54, 0, 0, 0);
                            keybd_event((byte)54, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '&':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)55, 0, 0, 0);
                            keybd_event((byte)55, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '*':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)56, 0, 0, 0);
                            keybd_event((byte)56, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case '(':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)57, 0, 0, 0);
                            keybd_event((byte)57, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        case ')':
                            keybd_event(VK_SHIFT, 0, 0, 0);
                            keybd_event((byte)48, 0, 0, 0);
                            keybd_event((byte)48, 0, KEYEVENTF_KEYUP, 0);
                            keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                            break;
                        #endregion
                    }
                }            
            }          
        }