#error的用法: 示例程序: #include <stdio.h> #ifndef __cplusplus #error This file should be processed with C++ compiler. #endif class CppClass { private: int m_value; public: CppClass() { } ~CppClass() { } }; int main() { ; } 先注释掉3-5行的代码,使用gcc编译结果如下: 当出现这样的编…
我是在java中做的相关测试, 首先粘贴下报错: 读取xml配置文件:xmls\property.xml org.dom4j.DocumentException: Error on line 1 of document : 前言中不允许有内容. Nested exception: 前言中不允许有内容. at org.dom4j.io.SAXReader.read(SAXReader.java:482) at org.dom4j.io.SAXReader.read(SAXReader.java:3…
This page contains the following errors: error on line 1 at column 6: XML declaration allowed only at the start of the document Below is a rendering of the page up to the first error. ------------------------------------------------------------------…