浅析C++调用Java的Jar包(带参数)问题
JarAppCall.h
#include <atlstr.h> class CJarAppCall { public: CJarAppCall(void); ~CJarAppCall(void); /* @brief 运行Jar包调用,等待运行完毕返回 @param[in] strJarDir jar包文件夹 @param[in] strJarName jar包名称<br> @param[in] strParam 传入的参数 @return 运行是否成功 */ bool Run(const CString& strJarDir, const CString& strJarName, const CString& strParam); private: bool CallApp(const CString& strJarName, const CString& strParam); };
JarAppCall.cpp
#include "JarAppCall.h" CJarAppCall::CJarAppCall(void){ } CJarAppCall::~CJarAppCall(void){ } bool CJarAppCall::Run(const CString& strJarDir, const CString& strJarName, const CString& strParam){ //缓存当前文件夹 WCHAR sOldDir[MAX_PATH] = { 0 }; GetCurrentDirectory(MAX_PATH, sOldDir); //设置当前文件夹为jar包文件夹 SetCurrentDirectory(strJarDir); bool bCalRest = CallApp(strJarName, strParam); //还原当前文件夹 SetCurrentDirectory(sOldDir); return bCalRest; } bool CJarAppCall::CallApp(const CString& strJarName, const CString& strParam){ WCHAR sSysDir[MAX_PATH] = { 0 }; GetSystemDirectory(sSysDir, MAX_PATH); CString strFullPath = sSysDir; strFullPath += _T("\\cmd.exe"); CString strCmdLine = _T(" /C "); strCmdLine += _T("java -jar "); strCmdLine += strJarName; strCmdLine += _T(" "); strCmdLine += strParam; STARTUPINFO si = { sizeof(si) }; PROCESS_INFORMATION pi; BOOL bRunProgram = CreateProcess(strFullPath.GetBuffer(), strCmdLine.GetBuffer(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi); strFullPath.ReleaseBuffer(); strCmdLine.ReleaseBuffer(); if (!bRunProgram){ return false; } // 等待程序结束 WaitForSingleObject(pi.hProcess, INFINITE); CloseHandle(pi.hProcess); return true; }
test.cpp
#include "stdio.h" #include "JarAppCall.h" #include<stdlib.h> #include <cstring> #include <string> #include <iostream> int charContainsToChar(char* source, char* target); char* getNameReferences(char* src); int main(){ /*CString strJarDir = _T("C:\\Users\\12449\\Desktop"); CString strJarName = _T("test.jar"); CJarAppCall jarCall; if (!jarCall.Run(strJarDir, strJarName)){ //启动失败 printf("启动失败"); return 0; } printf("启动成功");*/ //char src[] = "测.试.xlsx"; //char test[] = "test"; //char dataset_name[] = "PLM_021-000320.txt"; //char* result = getNameReferences(test); //char* null = "NULL"; //if (strcmp(result, null) != 0){ // printf("name=%s\n", 1); //} //printf(result); CString strJarDir = _T("C:\\Users\\12449\\Desktop"); CString strJarName = _T("HFAcceptAndSendHandlerParam.jar"); CString strParam = _T("test"); CJarAppCall jarCall; if (!jarCall.Run(strJarDir, strJarName, strParam)){ printf("文件发送失败!"); } else{ printf("文件发送成功!"); } return 0; } char* getNameReferences(char* src){ char* result = "\0"; if (strcmp(src, "\0") == 0){ return "NULL"; } char point[] = "."; if (charContainsToChar(src, point) > 0){ printf("判断成功!"); } char *p = strstr(src, "."); p++; while (charContainsToChar(p, point) > 0){ printf("判断成功!"); p = strstr(p, "."); printf("执行!"); p++; } char *xls = "xls"; char *xlsx = "xlsx"; char *doc = "doc"; char *docx = "docx"; char *ppt = "ppt"; char *pptx = "pptx"; char *pdf = "pdf"; char *zip = "zip"; char *rar = "rar"; char *txt = "txt"; if (strcmp(p, xls) == 0){ result = "excel"; } else if (strcmp(p, xlsx) == 0){ result = "excel"; } else if (strcmp(p, doc) == 0) { result = "word"; } else if (strcmp(p, docx) == 0){ result = "word"; } else if (strcmp(p, ppt) == 0){ result = "powerpoint"; } else if (strcmp(p, pptx) == 0){ result = "powerpoint"; } else if (strcmp(p, pdf) == 0){ result = "PDF_Reference"; } else if (strcmp(p, zip) == 0){ result = "ZIPFILE"; } else if (strcmp(p, rar) == 0){ result = "HF8_RAR"; } else if (strcmp(p, txt) == 0){ result = "Text"; } return result; } //判断字符串中是否包含另一个字符串 int charContainsToChar(char* source, char* target)//source是主串,target是子串 { int i, j; int s_len = strlen(source); int t_len = strlen(target); if (t_len>s_len) { return -1; } for (i = 0; i <= s_len - t_len; i++) { j = 0; int flag = 1; if (source[i] == target[j]) { int k, p = i; for (k = 0; k<t_len; k++) { if (source[p] == target[j]) { p++; j++; continue; } else { flag = 0; break; } } } else { continue; } if (flag == 1) { return i; } } return -1; }
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