一个安卓获取随机验证码的小例子，可以随机生成4位数字的验证码并且绘制有燥点和干扰线，绘制出的数字很小，如果视力不好估计看不见。不过如果想OCR识别肯定是很难的，有用到的朋友自己下载研究吧编码GBK编译版本2.3(A Android access random verification code small example, can be randomly generated 4 digit verification code and drawing the noise and interference lines, draw the number is very small, if the vision is estimated to see. But if it's hard to identify OCR, the useful friend downloads the study to code GBK compiled version 2.3)