如题
int main() { 数组创建与分析: 例子一: string strValue = "{\"ldh\":\"001\",\"gfc\":\"002\",\"yyj\":\"003\",\"andy\":[\"005\",\"123\",\"true\"]}"; Json::Reader read; Json::Value value; value["ldh"] = "001"; value["gfc"] = "002"; value["andy"].append( "005" ); value["andy"].append( "123" ); value["andy"].append( "true" ); //if( read.parse( strValue,value ) ) { Json::Value val_array = value["andy"]; int iSize = val_array.size(); for ( int nIndex = 0;nIndex < iSize;++ nIndex ) { cout<<val_array[nIndex]<<endl; } } 例子二: Json::Reader read; Json::Value value; value["ldh"] = "001"; value["gfc"] = "002"; Value item; Value array; item["andy1"] = "005"; array.append( item ); item["andy1"] = "123"; array.append( item ); item["andy1"] = "true"; array.append( item ); value["andy"] = array; cout<<value.toStyledString()<<endl; Json::Value val_array = value["andy"]; int iSize = val_array.size(); for ( int nIndex = 0;nIndex < iSize;++ nIndex ) { cout<<val_array[nIndex]<<endl; if ( !val_array[nIndex]["andy1"].isNull() ) { cout<<val_array[nIndex]["andy1"]<<endl; } } 例子三: std::string strValue = "{\"name\":\"json\",\"array\":[{\"cpp\":\"jsoncpp\"},{\"java\":\"jsoninjava\"},{\"PHP\":\"support\"}]}"; Json::Value value; Reader read; if ( !read.parse( strValue,value ) ) { return -1; } cout<<value.toStyledString()<<endl; Json::Value val_array = value["array"]; int iSize = val_array.size(); for ( int nIndex = 0;nIndex < iSize;++ nIndex ) { cout<<val_array[nIndex]<<endl; if ( val_array[nIndex].isMember( "cpp" ) ) { cout<<val_array[nIndex]["cpp"]<<endl; } } getchar(); return 0; }原文链接:https://www.f2er.com/json/288764.html