String[] splits = header.split(",");
时间: 2024-06-07 13:05:36 浏览: 9
这行代码将一个字符串 `header` 按照逗号分隔符进行分割,将分割后的结果存入一个字符串数组 `splits` 中。例如,如果 `header` 的值为 `"name,age,gender"`,则执行这行代码后,`splits` 数组中的元素依次为 `"name"`、`"age"` 和 `"gender"`。注意,这行代码假定逗号是分隔符,如果实际使用的是其他字符或字符串作为分隔符,需要相应地修改代码。
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splits = re.split(r'(\d.*)', op)
This regular expression splits a string "op" into two groups based on the pattern "(\d.*)":
1. The first group includes any digits that appear at the beginning of the string. This group is enclosed in parentheses and is represented by the pattern "\d.*". The "\d" matches any digit character, while the ".*" matches any number of characters after the digit.
2. The second group includes the rest of the string after the digits, if any. This group is represented by the pattern ".*" which matches any number of characters.
The "r" before the regular expression indicates that it is a raw string, which means that any backslashes are treated as literal characters rather than escape characters.
The "re.split()" function then uses this regular expression to split the input string "op" into a list of strings. The regular expression pattern is used as the delimiter to split the string. The resulting list will contain the two groups that match the pattern, along with any non-matching text.
String attendanceid = s.split("=")[1]
This line of code is extracting the value of the attendance ID from a string "s" that is in the format "key=value".
The "split" method splits the string into an array of two strings, using the "=" character as the separator. The second element of the array (index 1), which contains the value of the attendance ID, is then assigned to the variable "attendanceid".