comm目錄下的另外幾個文件
使用了開源的庫jsoncpp，可下載。
（1）my_json.h
1 #include<iostream>
2 #include<unistd.h>
3 #include<string>
4 #include "json/json.h"
5
6 class my_json
7 {
8 public:
9 my_json();
10 ~my_json();
11 static int serialize(Json::Value& _val,std::string& _out_str);
12 static int deserialize(Json::Value& _val,std::string& _in_str);
13 private:
14 Json::Value val;
15 std::string str;
16 };（2）my_json.cpp
1 #include "my_json.h"
2
3 my_json::my_json()
4 {}
5 my_json::~my_json()
6 {}
7 int my_json::serialize(Json::Value& _in_val,std::string& _out_str)
8 {
9 #ifdef DEBUG
10 Json::StyledWriter _write;
11 _out_str=_write.write(_in_val);
12 #else
13 Json::FastWriter _write;
14 _out_str=_write.write(_in_val);
15 #endif
16 return 0;
17 }
18 int my_json::deserialize(Json::Value& _out_val,std::string& _in_str)
19 {
20 Json::Reader _read;
21 if(_read.parse(_in_str,_out_val,false))
22 return 0;
23 return 1;
24 }（3）udp_data.h
1 #include<iostream>
2 #include<string>
3 #include "json/json.h"
4 #include "my_json.h"
5 class udp_data
6 {
7 public:
8 // udp_data(std::string _nick_name,std::string _msg,std::string _school,std::string _cmd);
9 udp_data();
10 ~udp_data();
11 void to_string(std::string _in_nick_name,std::string _in_msg,std::string _in_school,std::string _in_cmd,std::string &_out_string);
12 //void to_value(std::string& _out_nick_name,std::string& _out_msg,std::string& _out_school,std::string& _out_cmd,std::string& _in_string);
13 void to_value(std::string& _in_string);
14 private:
15 std::string nick_name;
16 std::string msg;
17 std::string school;
18 std::string cmd;
19 };（4）udp_data.cpp
1 #include "udp_data.h"
2
3 //udp_data::udp_data(std::string _nick_name,std::string _msg,std::string _school,std::string _cmd)
4 // :nick_name(_nick_name)
5 // ,msg(_msg)
6 // ,school(_school)
7 // ,cmd(_cmd)
8 //{}
9
10 udp_data::udp_data()
11 {}
12
13 udp_data::~udp_data()
14 {}
15 void udp_data::to_string(std::string _in_nick_name,std::string _in_msg,std::string _in_school,std::string _in_cmd,std::string& _out_string)
16 {
17 nick_name=_in_nick_name;
18 msg=_in_msg;
19 school=_in_school;
20 cmd=_in_cmd;
21
22 Json::Value root;
23 root["nick_name"]=nick_name;
24 root["msg"]=msg;
25 root["school"]=school;
26 root["cmd"]=cmd;
27
28 my_json::serialize(root,_out_string);
29 }
30 //void udp_data::to_string(std::string& _out_string)
31 //{
32 // Json::Value root;
33 // root["nick_name"]=nick_name;
34 // root["msg"]=msg;
35 // root["school"]=school;
36 // root["cmd"]=cmd;
37 // my_json::serialize(root,_out_string);
38 //}
39
40 //void udp_data::to_value(std::string& _out_nick_name,std::string& _out_msg,std::string& _out_school,std::string& _out_cmd,std::string& _in_string)
41 //{
42 // Json::Value val;
43 // my_json::deserialize(_in_string,val);
44 //
45 // _out_nick_name=val["nick_name"].asString();
46 // _out_msg=val["msg"].asString();
47 // _out_school=val["school"].asString();
48 // _out_cmd=val["cmd"].asString();
49 //
50 // nick_name=_out_nick_name;
51 // msg=_out_msg;
52 // school=_out_school;
53 // cmd=_out_cmd;
54 //}
55
56 void udp_data::to_value(std::string& _in_string)
57 {
58 Json::Value val;
59 my_json::deserialize(val,_in_string);
60
61 nick_name=val["nick_name"].asString();
62 msg=val["msg"].asString();
63 school=val["school"].asString();
64 cmd=val["cmd"].asString();
65
66 std::cout<<"nick_name:"<<nick_name<<std::endl;
67 std::cout<<"msg:"<<msg<<std::endl;
68 std::cout<<"school:"<<school<<std::endl;
69 std::cout<<"cmd:"<<cmd<<std::endl;
70 }
71
72 //void udp_data::to_value(std::string& _in_string)
73 //{
74 // Json::Value val;
75 // my_json::deserialize(_in_string,val);
76 //}
77 int main()
78 {
79 udp_data _data;
80 // std::string out_string;
81 // _data.to_string("luu","beautiful","XPU","dancing",out_string);
82 // std::cout<<out_string;
83
84 // std::string in_string="{luu beautiful XPU dancing}";
85 std::string in_string="{\"cmd\":\"dancing\",\"msg\":\"beautiful\",\"nick_name\":\"luu\",\"school\":\"XPU\"}";
86 _data.to_value(in_string);
87 return 0;
88 }//makefile
1 ROOT_PATH=$(shell pwd) 2 INCLUDE=-I$(ROOT_PATH)/lib/include 3 LIB=-L$(ROOT_PATH)/lib 4 5 udp_data:udp_data.o my_json.o 6 g++ -o $@ $^ $(LIB) -ljsoncpp 7 8 %.o:%.cpp 9 g++ -c $< $(INCLUDE) -D_DEBUG_ 10 11 .PHONY:clean 12 clean: 13 rm -f udp_data *.o 14
輸出結果：
（1）序列化
（2）反序列化
