我想模拟获取一下验证码，不知道怎么获得脚本

[快跑稻草人]

网址是这个https://checkcoverage.apple.com/cn/zh

我想模拟获取一下验证码，请问怎么把验证码保存到本地

[快跑稻草人]

引用 1 楼 zhao4zhong1 的回复:

通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

我是用程序获取，不是浏览器

[赵4老师]

引用 2 楼 ljaahh 的回复:

[quote=引用 1 楼 zhao4zhong1 的回复:] 通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

我是用程序获取，不是浏览器[/quote] 你用程序调用WebBrowser控件和用浏览器浏览没有本质区别。

[paschen]

引用 3 楼 zhao4zhong1 的回复:

[quote=引用 2 楼 ljaahh 的回复:] [quote=引用 1 楼 zhao4zhong1 的回复:] 通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

我是用程序获取，不是浏览器[/quote] 你用程序调用WebBrowser控件和用浏览器浏览没有本质区别。[/quote] 正解

[赵4老师]

通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

[赵4老师]

没准HttpWebRequest下载不了服务器端动态生成的验证码图片。 建议楼主转战Web开发论坛http://bbs.csdn.net/forums/WebDevelop

[赵4老师]

复制图片网址得到字符串： data:image/jpeg;base64,/9j/4AAQSkZJRgABAgAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCABGAKADASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD1v9wtqwDyx2UcnAxiWxk/+I59wAe6niUiT7S6uqNcvH/pEAH7u7jxjcmf4sYGPwPGGoBm84OskT3LLiG548u7j67GxwG+nuRxuFMAjWJPkaO0jbgdJLCT1P8Asc554APdDwAcN8T/ABZqvg/w5peraPLHMBe+VFLOpZlQoxaKQZBzlR+RzyAT1Ohah/bHhy11CWIhby0iur2zQEFHdQ/mxDJOM89e2fvAg+f/AB8Q/wDCEWxmURXX9pRtJs/1dwPLkAkX3GcH0yM5+U10vgjX9Nfw54a0ttZsP7T/ALNhFsRMhliIjXMciA5wQOM9fYgEgHXK0vnW7pco10y4t7g/6u6j67Hx0bqePqP4lrF1nxLoHh2C3j1TUTZ2085S2iKkz2swGThVBJTB9wNwHIYYt6xqlloej3moanEsNjB897a7sMjE8SRHIzlsYxjJ6YbIPgVxqPiTV/iB4T8Y6tb7YNS1BItPimxjyUkVRnA4zuPOBk5IGMUAfRn7w3DhlRrl4/8ASIMfu7uPGNyZ/ixgY/A8YaowVMNuy3bbAxWzumBJiboYpc9iQBz1xg4YAlQI1iT5GjtI24HSSwk9T/sc554APdDwTO0KTvPHAJNu66jYhYruMD76k8AgdfwB42mgBWCn7Urxt5f3ry0XJZG6+bF3IyM/hnhgQXK0vnW7pco10y4t7g/6u6j67Hx0bqePqP4lpqsHEMkcw8vGLO8IyYiePKlz19Oec8HDAEhXKSI1mfL3brqyXJZGz/rYiOSM88ehxhgQQBn7hbVgHljso5OBjEtjJ/8AEc+4APdTxKRJ9pdXVGuXj/0iAD93dx4xuTP8WMDH4HjDUAzecHWSJ7llxDc8eXdx9djY4DfT3I43CmARrEnyNHaRtwOklhJ6n/Y5zzwAe6HgAQFTDbst22wMVs7pgSYm6GKXPYkAc9cYOGAJcwU/aleNvL+9eWi5LI3XzYu5GRn8M8MCCpWbdKrQRNcOP9Ig/gvUxjemejAdR9AeNpo5zEyy4UZW0u2HMJ6GKUH8uec8HDAEgCq0vnW7pco10y4t7g/6u6j67Hx0bqePqP4lqL9wtqwDyx2UcnAxiWxk/wDiOfcAHup4eVykiNZny9266slyWRs/62IjkjPPHocYYEFwM3nB1kie5ZcQ3PHl3cfXY2OA309yONwoACJPtLq6o1y8f+kQAfu7uPGNyZ/ixgY/A8YaowVMNuy3bbAxWzumBJiboYpc9iQBz1xg4YAlQI1iT5GjtI24HSSwk9T/ALHOeeAD3Q8OKzbpVaCJrhx/pEH8F6mMb0z0YDqPoDxtNACMFP2pXjby/vXlouSyN182LuRkZ/DPDAguVpfOt3S5Rrplxb3B/wBXdR9dj46N1PH1H8S0nOYmWXCjK2l2w5hPQxSg/lzzng4YAlCuUkRrM+Xu3XVkuSyNn/WxEckZ549DjDAggDSIytyrWzhN266slOWiOc+dGRyRxnjr14YEF6k/aIGWZXuGT9zcceXep12NjgN7/iOMrSBspG63f7vdttb1uWRs/wCqlzyRkY59BnDAErzmRWhwow11ZqeYT1EsRH58c55GGBBAPOPjRarP8MZ3gDi3tbyKQwOBvtXzsKf7p35HpxjIIx4RZaRrOo30M1gG+1pYi7gUN88qRfIfL9SAjHHohxngH6E+MI3fC7U2mnDORAYbiPGLtPNThsfxLnP5kdWA8DtiNUuvCunWWqm3nltWsbiU5AgElxMCpI6gpJk+zEfQA7XQtYvfjBruj6N4gvILfT9NjLvn71y+cAHkHB4HUYGecsK67432oh8FWs1nEbRrLUYmks0X5Yco4DoRjCk46DGcdDkVg+NvhXN4Xt7XWvCpkS906INcQq28zIowbhM5Bz/GnQZPGDzNqPjmD4gfB7Wba5AXWLKKORhu+basiFjk8shAJ56EAHnYzgHaeO4/GWpro8Pg+7VGvI3SXUBJGizxEKUyTyGHzfd56kY5A+d/GFprel642l69qEt3dWqKvzzPIIwRnaN3TGe3HpxX094Du4b7wFossH72AWMK3VuPvRMq7TLHjvuUk45znHzAg/PvxjZm+JupFrhbj93BtmUffXykweO+MZoA+l3uoNO06e6vAiCG0827ibHl3UKrzIvowHUfgezV856v8avFd1qQl028WytoHcWw8lHkEZJwrswJY4wD24B6812fxg8RyTwad4H0lg8120ck8LgBrY9BEGPAUn5u2FA52tXFfFjwcng+Xw/aRRRqosDE8qc/aJFdmaXPv5gGDyMY6AEgH0lBcWt3YyXEcRa1lVZp7VGzsDfMJ4iOoPXjr1GCCDnjxd4c+1LjxNpD3KR/LOb2IJdJ/ckwflb3/Ed1rJ8Fambv4V6PezXAhSOx8mG8bAKNGCjRyf7JKcfhnDAE/O/w98MQeLfFsOmXf2oWnlvLO9rjeiqPvcg8ZxxjJ7c4oA+orPW9BvoFjstUt5YFbeqw3CNLYMOM4BOUyfoB6qeNRgftEytCr3DR/vrfjy71MY3rngN7fgeMNXzT8RvhYPBNjDq1lqZu9PnmCRFl+bBUkHcOD054HUEZ52+m/BjxHf654Lni1a6klj06fyo7s5MlspUFDuPUfeU+g6/KeAD0YGMpbMty4TcVtb1hlojnHlSg8kcY5xnpwwBIRGVuVa2cJu3XVkpy0RznzoyOSOM8devDAgyETeayNHC9yy5mtuPLvI+m9c8Bug59geNppobKRut3+73bbW9blkbP+qlzyRkY59BnDAEgCqT9ogZZle4ZP3Nxx5d6nXY2OA3v+I4ytRf6Otp/y1jtY5PpJp8n/wARz9APVTxLzmRWhwow11ZqeYT1EsRH58c55GGBBA026Jlnia4cf6PPxsvUxnY+OjAfzJHG4UADA/aJlaFXuGj/AH1vx5d6mMb1zwG9vwPGGpgMZS2Zblwm4ra3rDLRHOPKlB5I4xzjPThgCVJjWJvnaO0jbk8CTT5MdB/sc444APdDw8ibzWRo4XuWXM1tx5d5H03rngN0HPsDxtNAAyyefcI9sjXTLm4th/q7qPpvTPRug5+h/hNNUqfsrJK/l522d22SyNnHlS9yCRjn0xwwBLP3C2rAPLHZRycDGJbGT/4jn3AB7qeJSJPtLq6o1y8f+kQAfu7uPGNyZ/ixgY/A8YagDC8W6C3iXwnqmjITZm4KG7jEfm+SQ4fzI1yNwO05GeeT1BB8c8T+CLb4Z23hXVo2F7JDqizyXgGFuUO10UDnaAIzwSc7ic9h74Cpht2W7bYGK2d0wJMTdDFLnsSAOeuMHDAE8f8AE7wpe+LvC01hppSO7huo7me1kJ2q3KmRCASVIZjwOcdA2QQDr/3C2qkrLHZRycnOJbCT/wCI59wAe6njw34p/Di60a7u/EOgQm3Uxub+0twQqxsNrSxj/nmQcOn8Ge6n5fcrVrvZZPLcQnUWiAjnRiYbpcZKMcdRyQce4HLKD9wtqwDyx2UcnAxiWxk/+I59wAe6ngA4n4QPcH4c6NHdW8tq8MksdrdNGyglpGYK2fvI24DI4JGOCAa8U+MII+KOrhrcW7/ud8anIDeUhJHsTz+Ne4fENvHnn2cHg+JWupopf7RCiExzoAgRlEvXgsDjkcA5G0nxbV/AHxF1+8/tfUtLeee5KxGZp4RkqoQBsNwcKBzjn3oAZ4Q8eWmkeK7/AMW65Fd6jrLD/RVAUx5YFW3EnK4TCrgHAPoMGP4g/EOPxxDYwR6SbCGyeRoVNz5u0Pjco+VcL8q4HbntgDd8E/C7WoPGFuvibwwz6VAGN4vmqzAbG2sFV8kbsdAc4I56V3/xL8JaJa/De/bT9MsYbqONJbe5s7ZEFxEHUsGKj7wUEn2GRxkAA8x8AeI/FC6Xe6NawyTaD/Z96LhRb5jXETvuZ8cEEjvzlR6Vk/DLxVYeDvFL6rqBuggtnjj+zIGO8lSNwJGVwCDz9MHkdN8LJnTwL45gnt52tjYmWKVFbEcgjkGc9MEMAeeh6EZIz/gnpNprHje4gvdOtdQgSwkkNvcxhw2HQfLngNgnH5cZyAC38QviOvj+3tdC8P6TdpFJOLiSIje7zAMMRoucD5iT6nBwMHd6z8LvCNz4O8MQW04RdVvSboESboZQyD9ySOMqFzxnkkgkZFeI+ONJm+HnxDj1DQpWitWkF7p8gH3OfmjIP91gVKntjPWvobwt4l0/xd4cGrWasbedd1/YqSXgl7tHjn7wz74yOeCAa/7hbVSVljso5OTnEthJ/wDEc+4APdTxKyyefcI9sjXTLm4th/q7qPpvTPRug5+h/hNCtL51u6XKNdMuLe4P+ruo+ux8dG6nj6j+Jai/cLasA8sdlHJwMYlsZP8A4jn3AB7qeAB6lT9lZJX8vO2zu2yWRs48qXuQSMc+mOGAJaQpiuFa1bYGDXlopJMR6iWLHYkE8dcZGGBBkIk+0urqjXLx/wCkQAfu7uPGNyZ/ixgY/A8YaowVMNuy3bbAxWzumBJiboYpc9iQBz1xg4YAkAkBk+0xsjI1y8f+jTk/u7yPGdr4/ixk5/EcZWov3C2qkrLHZRycnOJbCT/4jn3AB7qeHsFP2pXjby/vXlouSyN182LuRkZ/DPDAguVpfOt3S5Rrplxb3B/1d1H12Pjo3U8fUfxLQAAzecHWSJ7llxDc8eXdx9djY4DfT3I43CmARrEnyNHaRtwOklhJ6n/Y5zzwAe6HhCIytyrWzhN266slOWiOc+dGRyRxnjr14YEF6k/aIGWZXuGT9zcceXep12NjgN7/AIjjK0ABWbdKrQRNcOP9Ig/gvUxjemejAdR9AeNpo5zEyy4UZW0u2HMJ6GKUH8uec8HDAExf6Otp/wAtY7WOT6SafJ/8Rz9APVTxKwP2iZWhV7ho/wB9b8eXepjG9c8Bvb8DxhqAEK5SRGsz5e7ddWS5LI2f9bERyRnnj0OMMCC4Gbzg6yRPcsuIbnjy7uPrsbHAb6e5HG4VGDGUtmW5cJuK2t6wy0RzjypQeSOMc4z04YAkIjK3KtbOE3brqyU5aI5z50ZHJHGeOvXhgQQBQI1iT5GjtI24HSSwk9T/ALHOeeAD3Q8OKzbpVaCJrhx/pEH8F6mMb0z0YDqPoDxtNCk/aIGWZXuGT9zcceXep12NjgN7/iOMrUX+jraf8tY7WOT6SafJ/wDEc/QD1U8AEvOYmWXCjK2l2w5hPQxSg/lzzng4YAlpQGORHs8xls3dkuSytn/WxY5Izzx6HGGBBcwP2iZWhV7ho/31vx5d6mMb1zwG9vwPGGpgMZS2Zblwm4ra3rDLRHOPKlB5I4xzjPThgCQDP8SWd5qXhvVrS2ZJb+7sJobW4UqEvFZGAjPIUPzwfxHG4V5N8IvAfiDw14sutQ13S5LS1W1eEXCzRsbeXehDEBiQMAnJGMHn5TXtJEZW5VrZwm7ddWSnLRHOfOjI5I4zx168MCC9SftEDLMr3DJ+5uOPLvU67GxwG9/xHGVoA4f4peCJ/GXh1ltoEGvWbedEq4C3i4AYoT0OMZHqFByNprhfhTp3i3wd4gFtqOkXkGnX3yi6CeZHbTZ2gvtyACRsZTg8qeCor23/AEdbT/lrHaxyfSTT5P8A4jn6AeqniVgftEytCr3DR/vrfjy71MY3rngN7fgeMNQAhXKSI1mfL3brqyXJZGz/AK2IjkjPPHocYYEFwM3nB1kie5ZcQ3PHl3cfXY2OA309yONwqMGMpbMty4TcVtb1hlojnHlSg8kcY5xnpwwBIRGVuVa2cJu3XVkpy0RznzoyOSOM8devDAggCgRrEnyNHaRtwOklhJ6n/Y5zzwAe6HhxWbdKrQRNcOP9Ig/gvUxjemejAdR9AeNpoUn7RAyzK9wyfubjjy71OuxscBvf8Rxlai/0dbT/AJax2scn0k0+T/4jn6AeqngAl5zEyy4UZW0u2HMJ6GKUH8uec8HDAEoVykiNZny9266slyWRs/62IjkjPPHocYYEFWB+0TK0KvcNH++t+PLvUxjeueA3t+B4w1MBjKWzLcuE3FbW9YZaI5x5UoPJHGOcZ6cMASATtBMt8LIXB89Y2mtbk8uFBAMb/wB5ckfX6gGoVdXtYrgxgWtzP5MtuD/qpfM2eZGe3zc9v73BzkooAkC3InuIxIjXloisZCMLcxNuwsgHcbTyOnUdSKYgWRbFUZ0tr1d9qRgSWr7C2FPTbgEY7dOQcAooAbJK8dreXciRN9mYx30IX93cAKDuAPRsEdfTB4AInaCZb4WQuD56xtNa3J5cKCAY3/vLkj6/UA0UUAQq6vaxXBjAtbmfyZbcH/VS+Zs8yM9vm57f3uDnMgW5E9xGJEa8tEVjIRhbmJt2FkA7jaeR06jqRRRQAxAsi2KozpbXq77UjAktX2FsKem3AIx26cg4DZJXjtby7kSJvszGO+hC/u7gBQdwB6Ngjr6YPABBRQBO0Ey3wshcHz1jaa1uTy4UEAxv/eXJH1+oBqFXV7WK4MYFrcz+TLbg/wCql8zZ5kZ7fNz2/vcHOSigCQLcie4jEiNeWiKxkIwtzE27CyAdxtPI6dR1IpiBZFsVRnS2vV32pGBJavsLYU9NuARjt05BwCigBskrx2t5dyJE32ZjHfQhf3dwAoO4A9GwR19MHgAidoJlvhZC4PnrG01rcnlwoIBjf+8uSPr9QDRRQBCrq9rFcGMC1uZ/Jltwf9VL5mzzIz2+bnt/e4OcyBbkT3EYkRry0RWMhGFuYm3YWQDuNp5HTqOpFFFADECyLYqjOltervtSMCS1fYWwp6bcAjHbpyDgNkleO1vLuRIm+zMY76EL+7uAFB3AHo2COvpg8AEFFAH/2Q== 楼主需要的是base64decode

[快跑稻草人]

引用 4 楼 paschen 的回复:

[quote=引用 3 楼 zhao4zhong1 的回复:] [quote=引用 2 楼 ljaahh 的回复:] [quote=引用 1 楼 zhao4zhong1 的回复:] 通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

我是用程序获取，不是浏览器[/quote] 你用程序调用WebBrowser控件和用浏览器浏览没有本质区别。[/quote] 正解[/quote] 我没有调用webbrowser啊，我用HttpWebRequest下载下来的

[快跑稻草人]

引用 3 楼 zhao4zhong1 的回复:

[quote=引用 2 楼 ljaahh 的回复:] [quote=引用 1 楼 zhao4zhong1 的回复:] 通常验证码对应的图片文件已经在本地的浏览器缓存文件夹下了。

我是用程序获取，不是浏览器[/quote] 你用程序调用WebBrowser控件和用浏览器浏览没有本质区别。[/quote] 我没有调用webbrowser啊，我用HttpWebRequest下载下来的