org.apache.commons.lang.StringUtils字符串切割注意事项
String str="a|b|c|||"
StringUtils.split(str, separatorChar)
String[] arr = StringUtils.split(str, "\\|");
print arr length(arr) 3
0:a
1:b
2:c
StringUtils.splitByWholeSeparatorPreserveAllTokens(str, separator)
String[] arr = StringUtils.splitByWholeSeparatorPreserveAllTokens(str, "|");
print arr length(arr):5
0:a
1:b
2:c
3:
4:
5: