split()方法
String mun = "aaaa@bbbbb@ccccc"
String []munA = mun.split("@")
munA[0] = "aaaa"
munA[1] = "bbbbb"
munA[2] = "ccccc"
String mun = "aaaa@bbbbb@ccccc"
String []munA = mun.split("@")
munA[0] = "aaaa"
munA[1] = "bbbbb"
munA[2] = "ccccc"