JSON样例

来源：互联网发布：黑道圣徒4但丁数据编辑：程序博客网时间：2024/05/17 22:52

#include<iostream>#include <string>#include "json.h"using namespace std;using namespace Json;void readJson() {std::string strValue = "{\"name\":\"json\",\"array\":[{\"cpp\":\"jsoncpp\"},{\"java\":\"jsoninjava\"},{\"php\":\"support\"}]}";Json::Reader reader;Json::Value value;if (reader.parse(strValue, value)){std::string out = value["name"].asString();std::cout << out << std::endl;const Json::Value arrayObj = value["array"];for (unsigned int i = 0; i < arrayObj.size(); i++){if (!arrayObj[i].isMember("cpp")) continue;out = arrayObj[i]["cpp"].asString();std::cout << out;if (i != (arrayObj.size() - 1))std::cout << std::endl;}}}void writeJson() {Json::Value root;Json::Value arrayObj;Json::Value item;item["cpp"] = "jsoncpp";item["java"] = "jsoninjava";item["php"] = "support";arrayObj.append(item);root["name"] = "json";root["array"] = arrayObj;root.toStyledString();std::string out = root.toStyledString();std::cout << out << std::endl;}int main() {readJson();cout << "---------------------------------------------" << endl;writeJson();return 0;}

处理下中央气象台返回的json数据：

#include<iostream>#include <string>#include "json.h"using namespace std;using namespace Json;void readJson() {Json::Reader reader;Json::Value value;Json::FastWriter fast_write;Json::StyledWriter style_write;std::string strValue = "{\"weatherinfo\":[{\"city\":\"北京\",\"city_en\":\"beijing\",\"date_y\":\"2013年2月16日\",\"date\":\"\",\"week\":\"星期六\",\"fchh\":\"08\",\"cityid\":\"101010100\",\"temp1\":\"4℃~-3℃\",\"temp2\":\"6℃~-4℃\",\"temp3\":\"3℃~-8℃\",\"temp4\":\"3℃~-6℃\",\"temp5\":\"4℃~-6℃\",\"temp6\":\"4℃~-5℃\",\"tempF1\":\"39.2℉~26.6℉\",\"tempF2\":\"42.8℉~24.8℉\",\"tempF3\":\"37.4℉~17.6℉\",\"tempF4\":\"37.4℉~21.2℉\",\"tempF5\":\"39.2℉~21.2℉\",\"tempF6\":\"39.2℉~23℉\",\"weather1\":\"多云转阴\",\"weather2\":\"多云转晴\",\"weather3\":\"晴\",\"weather4\":\"晴\",\"weather5\":\"晴转多云\",\"weather6\":\"多云转晴\",\"img1\":\"1\",\"img2\":\"2\",\"img3\":\"1\",\"img4\":\"0\",\"img5\":\"0\",\"img6\":\"99\",\"img7\":\"0\",\"img8\":\"99\",\"img9\":\"0\",\"img10\":\"1\",\"img11\":\"1\",\"img12\":\"0\",\"img_single\":\"1\",\"img_title1\":\"多云\",\"img_title2\":\"阴\",\"img_title3\":\"多云\",\"img_title4\":\"晴\",\"img_title5\":\"晴\",\"img_title6\":\"晴\",\"img_title7\":\"晴\",\"img_title8\":\"晴\",\"img_title9\":\"晴\",\"img_title10\":\"多云\",\"img_title11\":\"多云\",\"img_title12\":\"晴\",\"img_title_single\":\"多云\",\"wind1\":\"微风\",\"wind2\":\"北风3-4级\",\"wind3\":\"北风3-4级转微风\",\"wind4\":\"微风\",\"wind5\":\"微风\",\"wind6\":\"微风\",\"fx1\":\"微风\",\"fx2\":\"微风\",\"fl1\":\"小于3级\",\"fl2\":\"3-4级\",\"fl3\":\"3-4级转小于3级\",\"fl4\":\"小于3级\",\"fl5\":\"小于3级\",\"fl6\":\"小于3级\",\"index\":\"冷\",\"index_d\":\"天气冷，建议着棉服、羽绒服、皮夹克加羊毛衫等冬季服装。年老体弱者宜着厚棉衣、冬大衣或厚羽绒服。\",\"index48\":\"寒冷\",\"index48_d\":\"天气寒冷，建议着厚羽绒服、毛皮大衣加厚毛衣等隆冬服装。年老体弱者尤其要注意保暖防冻。\",\"index_uv\":\"最弱\",\"index48_uv\":\"最弱\",\"index_xc\":\"适宜\",\"index_tr\":\"适宜\",\"index_co\":\"较不舒适\",\"st1\":\"4\",\"st2\":\"-2\",\"st3\":\"5\",\"st4\":\"-3\",\"st5\":\"2\",\"st6\":\"-7\",\"index_cl\":\"适宜\",\"index_ls\":\"基本适宜\",\"index_ag\":\"极不易发\"}]}";if (reader.parse(strValue, value)){//std::cout << fast_write.write(value) << std::endl;std::cout << style_write.write(value) << std::endl;}}int main() {readJson();return 0;}

输出结果：

{   "weatherinfo" : [      {         "city" : "北京",         "city_en" : "beijing",         "cityid" : "101010100",         "date" : "",         "date_y" : "2013年2月16日",         "fchh" : "08",         "fl1" : "小于3级",         "fl2" : "3-4级",         "fl3" : "3-4级转小于3级",         "fl4" : "小于3级",         "fl5" : "小于3级",         "fl6" : "小于3级",         "fx1" : "微风",         "fx2" : "微风",         "img1" : "1",         "img10" : "1",         "img11" : "1",         "img12" : "0",         "img2" : "2",         "img3" : "1",         "img4" : "0",         "img5" : "0",         "img6" : "99",         "img7" : "0",         "img8" : "99",         "img9" : "0",         "img_single" : "1",         "img_title1" : "多云",         "img_title10" : "多云",         "img_title11" : "多云",         "img_title12" : "晴",         "img_title2" : "阴",         "img_title3" : "多云",         "img_title4" : "晴",         "img_title5" : "晴",         "img_title6" : "晴",         "img_title7" : "晴",         "img_title8" : "晴",         "img_title9" : "晴",         "img_title_single" : "多云",         "index" : "冷",         "index48" : "寒冷",         "index48_d" : "天气寒冷，建议着厚羽绒服、毛皮大衣加厚毛衣等隆冬服装。年老体弱者尤其要注意保暖防冻。",         "index48_uv" : "最弱",         "index_ag" : "极不易发",         "index_cl" : "适宜",         "index_co" : "较不舒适",         "index_d" : "天气冷，建议着棉服、羽绒服、皮夹克加羊毛衫等冬季服装。年老体弱者宜着厚棉衣、冬大衣或厚羽绒服。",         "index_ls" : "基本适宜",         "index_tr" : "适宜",         "index_uv" : "最弱",         "index_xc" : "适宜",         "st1" : "4",         "st2" : "-2",         "st3" : "5",         "st4" : "-3",         "st5" : "2",         "st6" : "-7",         "temp1" : "4℃~-3℃",         "temp2" : "6℃~-4℃",         "temp3" : "3℃~-8℃",         "temp4" : "3℃~-6℃",         "temp5" : "4℃~-6℃",         "temp6" : "4℃~-5℃",         "tempF1" : "39.2℉~26.6℉",         "tempF2" : "42.8℉~24.8℉",         "tempF3" : "37.4℉~17.6℉",         "tempF4" : "37.4℉~21.2℉",         "tempF5" : "39.2℉~21.2℉",         "tempF6" : "39.2℉~23℉",         "weather1" : "多云转阴",         "weather2" : "多云转晴",         "weather3" : "晴",         "weather4" : "晴",         "weather5" : "晴转多云",         "weather6" : "多云转晴",         "week" : "星期六",         "wind1" : "微风",         "wind2" : "北风3-4级",         "wind3" : "北风3-4级转微风",         "wind4" : "微风",         "wind5" : "微风",         "wind6" : "微风"      }   ]}请按任意键继续. . .

#include<iostream>#include <string>#include "json.h"using namespace std;using namespace Json;void readJson() {Json::Reader reader;Json::Value value;Json::FastWriter fast_write;Json::StyledWriter style_write;std::string strValue = "{\"weatherinfo\":{\"city\":\"北京\",\"city_en\":\"beijing\",\"date_y\":\"2013年2月16日\",\"date\":\"\",\"week\":\"星期六\",\"fchh\":\"08\",\"cityid\":\"101010100\",\"temp1\":\"4℃~-3℃\",\"temp2\":\"6℃~-4℃\",\"temp3\":\"3℃~-8℃\",\"temp4\":\"3℃~-6℃\",\"temp5\":\"4℃~-6℃\",\"temp6\":\"4℃~-5℃\",\"tempF1\":\"39.2℉~26.6℉\",\"tempF2\":\"42.8℉~24.8℉\",\"tempF3\":\"37.4℉~17.6℉\",\"tempF4\":\"37.4℉~21.2℉\",\"tempF5\":\"39.2℉~21.2℉\",\"tempF6\":\"39.2℉~23℉\",\"weather1\":\"多云转阴\",\"weather2\":\"多云转晴\",\"weather3\":\"晴\",\"weather4\":\"晴\",\"weather5\":\"晴转多云\",\"weather6\":\"多云转晴\",\"img1\":\"1\",\"img2\":\"2\",\"img3\":\"1\",\"img4\":\"0\",\"img5\":\"0\",\"img6\":\"99\",\"img7\":\"0\",\"img8\":\"99\",\"img9\":\"0\",\"img10\":\"1\",\"img11\":\"1\",\"img12\":\"0\",\"img_single\":\"1\",\"img_title1\":\"多云\",\"img_title2\":\"阴\",\"img_title3\":\"多云\",\"img_title4\":\"晴\",\"img_title5\":\"晴\",\"img_title6\":\"晴\",\"img_title7\":\"晴\",\"img_title8\":\"晴\",\"img_title9\":\"晴\",\"img_title10\":\"多云\",\"img_title11\":\"多云\",\"img_title12\":\"晴\",\"img_title_single\":\"多云\",\"wind1\":\"微风\",\"wind2\":\"北风3-4级\",\"wind3\":\"北风3-4级转微风\",\"wind4\":\"微风\",\"wind5\":\"微风\",\"wind6\":\"微风\",\"fx1\":\"微风\",\"fx2\":\"微风\",\"fl1\":\"小于3级\",\"fl2\":\"3-4级\",\"fl3\":\"3-4级转小于3级\",\"fl4\":\"小于3级\",\"fl5\":\"小于3级\",\"fl6\":\"小于3级\",\"index\":\"冷\",\"index_d\":\"天气冷，建议着棉服、羽绒服、皮夹克加羊毛衫等冬季服装。年老体弱者宜着厚棉衣、冬大衣或厚羽绒服。\",\"index48\":\"寒冷\",\"index48_d\":\"天气寒冷，建议着厚羽绒服、毛皮大衣加厚毛衣等隆冬服装。年老体弱者尤其要注意保暖防冻。\",\"index_uv\":\"最弱\",\"index48_uv\":\"最弱\",\"index_xc\":\"适宜\",\"index_tr\":\"适宜\",\"index_co\":\"较不舒适\",\"st1\":\"4\",\"st2\":\"-2\",\"st3\":\"5\",\"st4\":\"-3\",\"st5\":\"2\",\"st6\":\"-7\",\"index_cl\":\"适宜\",\"index_ls\":\"基本适宜\",\"index_ag\":\"极不易发\"}}";if (reader.parse(strValue, value)){//std::cout << style_write.write(value) << std::endl;std::cout << value["weatherinfo"]["city"].asString() << endl;std::cout << value["weatherinfo"]["date_y"].asString() << endl;std::cout << value["weatherinfo"]["week"].asString() << endl;}}int main() {readJson();return 0;}

输出：

北京2013年2月16日星期六请按任意键继续. . .