用TStrings实现的简易Log组件，自动文件名，计行数，限大小等功能-TStrings achieved using simple Log components, automatic file name, but a few dollars, and features such as size limits

假设你需要指定范围内的随机数，传统的方法是使用ANSI C的函数random(),然后格式化结果以便结果是落在指定的范围内。但是，使用这个方法至少有两个缺点-suppose you need, within specified limits, random number, the traditional method is to use ANSI C function random (), then formatted results to the results fell within the