Question

我有循环，但是循环内部可能会引发异常。这当然会一起阻止我的程序。为了防止我捕获异常并处理它们。但是，即使发生异常，迭代的其余部分也会运行。我的except:子句中是否有一个关键字可以跳过当前迭代的其余部分？

Answer 1

您正在寻找continue。

Answer 2

for i in iterator:
    try:
        # Do something.
        pass
    except:
        # Continue to next iteration.
        continue

Answer 3

这样的东西？

for i in xrange( someBigNumber ):
    try:
        doSomethingThatMightFail()
    except SomeException, e:
        continue
    doSomethingWhenNothingFailed()

Answer 4

我认为你正在寻找continue

Answer 5

继续示例：

number = 0

for number in range(10):
   number = number + 1

   if number == 5:
      continue    # continue here

   print('Number is ' + str(number))

print('Out of loop')

<强>输出：

Number is 1
Number is 2
Number is 3
Number is 4
Number is 6 # Note: 5 is skipped!!
Number is 7
Number is 8
Number is 9
Number is 10
Out of loop

Answer 6

对于这个特定用例，使用try..except..else是最干净的解决方案，如果没有引发异常，将执行else子句。

注意：else子句必须遵循所有except条款

for i in iterator:
    try:
        # Do something.
    except:
        # Handle exception
    else:
        # Continue doing something

在Python中跳过迭代

6 个答案: