简单介绍一下On Error Resume Next,On Error Goto 0,Err这三者 On Error Resume Next语句和On Error Goto 0语句指明了当出现"运行时错误"时的处理方式。 当加上On Error Resume Next语句后,如果后面的程序出现"运行时错误"时,会继续运行,不中断。 当加上On Error Goto 0语句后,如果后面的程序出现"运行时错...
其实调用脚本非常简单,大家可以用同一个模板,就可以,只需要做细微修改。 Functioncut_word(x)OnErrorGoToMyErrSetdet=VBA.CreateObject("PythonComTestObject")IfIsObject(x)Thencut_word=det.cutWord(x.Value)Elsecut_word=det.cutWordArray(x)EndIfExitFunctionMyErr:cut_word=Err.DescriptionEndFunction VBA自定义...
'如果number是0或字符串,则会产生错误 On Error GoTo ErrorHandler result = 1 / number On Error GoTo 0 Debug.Print "没有错误!" Finally: '无论错误是否发生都运行 If result = "" Then result = "N/A" End If Debug.Print "倒数是: " & result Exit Sub ErrorHandler: '仅发生错误时运行 Debug...
try: if(用户输入不合理): raise 异常 except Exception: alert 输入不合法 goto retry #正常的业务代码 此程序中,通过在 try 块中判断用户的输入数据是否合理,如果不合理,程序受 raise 的影响会进行到 except 代码块,对用户的错误输出进行处理,然后会继续执行正常的业务代码;反之,如果用户输入合理,那么程序将直接...
On Error GoTo 0 End If If WinTag And Not ShTag Then MsgBox MSGONLYONE, vbInformation, HEADER Exit Sub End If On Error Resume Next For Each w1 In Worksheets 'Attempt clearance with PWord1 w1.Unprotect PWord1 Next w1 On Error GoTo 0 ...
OnErrorGoToErrLabelDimfsoAsNewFileSystemObjectDimfAsTextStreamSetf=fso.CreateTextFile("test.txt")f.Write("Test Data")f.CloseExitSub/FunctionErrLabel:f.CloseMsgBox"Error:"&Err.Description Python: try:f=open("test.txt","w")f.write("Test Data")exceptIOErrorase:print"IO error:",eexceptException...
goto on_error; } if (pendingcalls_to_do) /* MakePendingCalls() didn't succeed. Force early re-executionof this "periodic" code, possibly after a thread switch */ _Py_Ticker = 0; } #ifdef WITH_THREAD // 如果有 GIL 存在 if (interpreter_lock) { ...
...Sub NamesList() Dim wks As Worksheet Dim nm As Name '可以修改为你想置名称和引用区域的工作表 Set wks = Sheet1...End(xlUp)(2) = "'" & nm.RefersTo Next nm '恢复错误触发 On Error GoTo 0 End Sub 一个非常简单的过程,它将显示工作簿中的所有名称及命名区域...其中的错误捕捉语句...
没有 goto,label,也⽆无法⽤用 break,continue 跳出多层嵌套循环. >>> while True: ... while True: ... flag = True ... break ... if "flag" in locals(): break 如果嫌 "跳出标记" 不好看,可以考虑抛出异常. >>> class BreakException(Exception): pass >>> try: ... while True: .....
opcode = _Py_OPCODE(*next_instr); fprintf(stderr, "XXX lineno: %d, opcode: %d\n", _PyInterpreterFrame_GetLine(frame), opcode); _PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode"); goto error; Unfortunately I cannot tell when or from where that was printed -- i.e., what...