local result = _exceptions:tryCatch(function(exceptionCatcher)
    exceptionCatcher:tryRunning(function()
        _console:log("tryRunning执行了1")
        _exceptions:throwException(function(eb)
            eb:setMessage("xxx")
        end)
        _console:log("不会执行到这里")
        return "没有异常"
    end)
    exceptionCatcher:catchException(function(it)
        _console:log("catchException执行了")
        return "出现异常" .. it:getMessage()
    end)
    exceptionCatcher:finallyRun(function()
        _console:log("finally run 1...")
    end)
end)
_console:log("result", result)
result = _exceptions:tryCatch(function(exceptionCatcher)
    exceptionCatcher:tryRunning(function()
        _console:log("tryRunning执行了2")
        return "没有异常"
    end)
    exceptionCatcher:catchException(function(it)
        _console:log("不会执行到这里")
        return "出现异常" .. it:getMessage()
    end)
    exceptionCatcher:finallyRun(function()
        _console:log("finally run 2...")
    end)
end)
_console:log("result", result)