在将各种类型的数据构造成字符串时，sprintf 的强大功能很少会让你失望。由于sprintf 跟printf 在用法上几乎一样，只是打印的目的地不同而已，前者打印到字符串中，后者则直接在命令行上输出。这也导致sprintf 比printf 有用得多。-In all types of data structure into a string, sprintf power will rarely disappoint you. Printf as a result of sprintf with almost the same as in usage, but the destination of different print, print to a string in the former, the latter directly in the command-line output. Sprintf This also led to much more useful than printf.