编写一个日志输出函数，并编写一个测试程序用于测试该函数的正确性 日志的输出格式为：[2013-04-17 12:23:17] [DEBUG] file no find 日志文件在超过1K大小后，自动新建一个日志文件。 当日志文件超过10个后，自动从第一个日志文件重新记录-Write a log output function, and write a test program for testing the correctness of the function log output

C++中用于记录日志的源码.集成了多种记录方法，设置了优先级。还可以根据优先级设置字体颜色。-In C++ source code for logging. Integration of a variety of recording methods , the priority is set . You can also set the font color according to priority .

在控制台树形输出二叉树，使用了队列。首先设置叶子节点间的间距，然后以坐标的形似记录下每个节点的位置-Binary output in the console tree, using a queue. The spacing between the first set of leaf nodes, then the coordinates of the shape of the recording position of each node