下载TinyXML的网址：http://www.grinninglizard.com/tinyxml/
使用TinyXML只需要将其中的6个文件拷贝到项目中就可以直接使用了，这六个文件是：tinyxml.h、tinystr.h、tinystr.cpp、tinyxml.cpp、tinyxmlerror.cpp、tinyxmlparser.cpp。
1 // xmldemo.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。 2 // 3 4 #include "pch.h" 5 #include <iostream> 6 #include <string> 7 #include "tinyxml.h" 8 #include "tinystr.h" 9 #include <stdio.h> 10 11 #include <Windows.h> 12 #define N 5 13 14 using namespace std; 15 16 struct Stu 17 { 18 string name; 19 int age; 20 string gender; 21 }student[N]; 22 int count_student = 0; 23 24 #define U (CUtf8String) 25 #define W (CGb2312String) 26 class CUtf8String 27 { 28 public: 29 inline CUtf8String(const char* gb2312) 30 { 31 m_bIsConst = true; 32 #ifdef TEST_TYPE_MAP 33 if (m[gb2312]) 34 { 35 m_utf8 = m[gb2312]; 36 return; 37 } 38 #endif 39 int buffLen = 0; 40 WCHAR wbuff[5120]; 41 MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wbuff, 5120); 42 buffLen = WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, NULL, 0, 0, 0); 43 m_utf8 = new char[buffLen + 1]; 44 WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, (LPSTR)m_utf8, buffLen, 0, 0); 45 #ifdef TEST_TYPE_MAP 46 m[gb2312] = m_utf8; 47 #endif 48 } 49 50 inline CUtf8String(char* gb2312) 51 { 52 m_bIsConst = false; 53 int buffLen = 0; 54 WCHAR wbuff[5120]; 55 MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wbuff, 5120); 56 buffLen = WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, NULL, 0, 0, 0); 57 m_utf8 = new char[buffLen + 1]; 58 WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, (LPSTR)m_utf8, buffLen, 0, 0); 59 } 60 61 inline ~CUtf8String() 62 { 63 #ifndef TEST_TYPE_MAP 64 if (m_utf8) 65 { 66 delete m_utf8; 67 m_utf8 = 0; 68 } 69 #else 70 if (!m_bIsConst) 71 { 72 if (m_utf8) 73 { 74 delete m_utf8; 75 m_utf8 = 0; 76 } 77 } 78 #endif 79 } 80 81 inline operator char*() 82 { 83 return (char*)m_utf8; 84 } 85 private: 86 const char* m_utf8; 87 bool m_bIsConst; 88 #ifdef TEST_TYPE_MAP 89 static strmap m; 90 #endif 91 }; 92 93 class CGb2312String 94 { 95 public: 96 inline CGb2312String(const char* utf8) 97 { 98 #ifdef TEST_TYPE_MAP 99 if (m[utf8]) 100 { 101 m_gb2312 = 0; 102 m_gb2312 = m[utf8]; 103 } 104 #endif 105 int buffLen = 0; 106 WCHAR wbuff[5120]; 107 MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wbuff, 5120); 108 buffLen = WideCharToMultiByte(CP_ACP, 0, wbuff, -1, NULL, 0, 0, 0); 109 m_gb2312 = new char[buffLen + 1]; 110 WideCharToMultiByte(CP_ACP, 0, wbuff, -1, (LPSTR)m_gb2312, buffLen, 0, 0); 111 #ifdef TEST_TYPE_MAP 112 m[utf8] = m_gb2312; 113 #endif 114 } 115 116 inline CGb2312String(char* utf8) 117 { 118 #ifdef TEST_TYPE_MAP 119 if (m[utf8]) 120 { 121 m_gb2312 = 0; 122 m_gb2312 = m[utf8]; 123 } 124 #endif 125 int buffLen = 0; 126 WCHAR wbuff[5120]; 127 MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wbuff, 5120); 128 buffLen = WideCharToMultiByte(CP_ACP, 0, wbuff, -1, NULL, 0, 0, 0); 129 m_gb2312 = new char[buffLen + 1]; 130 WideCharToMultiByte(CP_ACP, 0, wbuff, -1, (LPSTR)m_gb2312, buffLen, 0, 0); 131 #ifdef TEST_TYPE_MAP 132 m[utf8] = m_gb2312; 133 #endif 134 } 135 136 inline ~CGb2312String() 137 { 138 #ifndef TEST_TYPE_MAP 139 if (m_gb2312) 140 { 141 delete m_gb2312; 142 m_gb2312 = 0; 143 } 144 #endif 145 } 146 147 inline operator char*() 148 { 149 return (char*)m_gb2312; 150 } 151 private: 152 const char* m_gb2312; 153 #ifdef TEST_TYPE_MAP 154 static strmap m; 155 #endif 156 }; 157 158 159 void create_testXml() 160 { 161 string fileName = "test.xml"; 162 TiXmlDocument *doc = new TiXmlDocument(); //创建xml文档对象 163 164 TiXmlDeclaration *pDeclaration = new TiXmlDeclaration("1.0", "UTF-8", ""); 165 doc->LinkEndChild(pDeclaration); 166 167 TiXmlElement *RootLv1 = new TiXmlElement("Persons"); //创建一个根结点 168 doc->LinkEndChild(RootLv1); //链接到文档对象下 169 170 TiXmlElement *RootLv2 = new TiXmlElement("Person"); //创建一个节点 171 RootLv1->LinkEndChild(RootLv2); //链接到节点RootLv1下 172 RootLv2->SetAttribute("Number", "1"); //设置节点RootLv2属性 173 174 TiXmlElement *Name = new TiXmlElement("name"); //创建节点 175 RootLv2->LinkEndChild(Name); //链接节点到RootLv2下 176 177 TiXmlElement *Price = new TiXmlElement("price"); //创建节点 178 RootLv2->LinkEndChild(Price); //链接节点到RootLv2下 179 180 TiXmlText *NameText = new TiXmlText("Robin"); //创建XmlText文本 181 Name->LinkEndChild(NameText); //链接到Name下 182 183 TiXmlText *PriceText = new TiXmlText("22.5"); //创建XmlText 184 Price->LinkEndChild(PriceText); //链接到Price下 185 186 doc->SaveFile("d:\\temp\\test.xml"); //保存到文件 187 } 188 189 enum SuccessEnum { FAILURE, SUCCESS }; 190 SuccessEnum loadXML() 191 { 192 TiXmlDocument *doc = new TiXmlDocument(); 193 string m_strXmlPath = "d:\\temp\\person.xml"; 194 cout << m_strXmlPath << endl; 195 if (!doc->LoadFile(m_strXmlPath.c_str())) 196 { 197 cout<<"无法加载xml文件！" << endl; 198 return FAILURE; 199 } 200 201 TiXmlElement* root = doc->FirstChildElement(); 202 if (root == NULL) 203 { 204 cerr << "Failed to load file: No root element." << endl; 205 doc->Clear(); 206 return FAILURE; 207 } 208 209 int i = 0; 210 //读到Persons 211 for (TiXmlElement* elem = root->FirstChildElement(); elem != NULL; elem = elem->NextSiblingElement()) 212 { 213 /*string elemName = elem->Value(); 214 const char* attr; 215 attr = elem->Attribute("priority"); 216 if (strcmp(attr, "1") == 0) 217 { 218 TiXmlElement* e1 = elem->FirstChildElement("bold"); 219 TiXmlNode* e2 = e1->FirstChild(); 220 cout << "priority=1\t" << e2->ToText()->Value() << endl; 221 222 } 223 else if (strcmp(attr, "2") == 0) 224 { 225 TiXmlNode* e1 = elem->FirstChild(); 226 cout << "priority=2\t" << e1->ToText()->Value() << endl; 227 }*/ 228 229 //索引到Person节点,分别读取3个数值 230 TiXmlElement* name = elem->FirstChildElement(); 231 string S_name = (string)W(name->GetText()); 232 /*TiXmlNode* name_value = name->FirstChild(); 233 string S_name = name_value->ToText()->Value();*/ 234 235 TiXmlElement* age = name->NextSiblingElement(); 236 int S_age = (int)atof(age->GetText()); 237 /*TiXmlNode* age_value = age->FirstChild(); 238 int S_age = (int)atof(age_value->ToText()->Value());*/ 239 240 TiXmlElement* gender = age->NextSiblingElement(); 241 string S_gender = (string)W(gender->GetText()); 242 /*TiXmlNode* gender_value = gender->FirstChild(); 243 string S_gender = gender_value->ToText()->Value();*/ 244 cout << "name:" << S_name << " \tage:" << S_age << " \tgender:" << S_gender << endl; 245 246 if (i < N) 247 { 248 student[i].name = S_name; 249 student[i].age = S_age; 250 student[i].gender = S_gender; 251 } 252 i++; 253 254 } 255 count_student = i; 256 //cout << "count_student=" << count_student << endl; 257 258 doc->Clear(); 259 return SUCCESS; 260 } 261 262 void sortStu() 263 { 264 int i, j; 265 for (i = 0; i < count_student -1; i++) 266 for (j = 0; j < count_student - i - 1; j++) 267 { 268 if (student[j].age > student[j + 1].age) 269 { 270 struct Stu temp = student[j]; 271 student[j] = student[j + 1]; 272 student[j + 1] = temp; 273 } 274 } 275 276 } 277 278 void write2txt() 279 { 280 FILE *fp; 281 if ((fp = fopen("D:\\temp\\person.txt", "w+")) == NULL) { 282 printf("Cannot open file, press any key exit!"); 283 //getch(); 284 exit(1); 285 } 286 for (int i = 0; i < count_student; i++) { 287 fprintf(fp, "%s %d %s\n", student[i].name.c_str(), student[i].age, student[i].gender.c_str()); 288 //cout << student[i].name.c_str() << student[i].age << student[i].gender.c_str() << endl; 289 } 290 fclose(fp); 291 } 292 293 int main(int argc, char* argv[]) 294 { 295 296 if (loadXML() == FAILURE) 297 { 298 return 1; 299 } 300 sortStu(); 301 write2txt(); 302 return 0; 303 }