add：uuid

CMakeLists.txt

@@ -56,4 +56,6 @@ if(UNAME_OUT MATCHES "alpine" OR UNAME_OUT MATCHES "Alpine")
 message(STATUS "ofen on musl static link")
 target_link_libraries(ofen -static;-static-libstdc++)
 endif()
+else()
+target_link_libraries(ofen PRIVATE Rpcrt4)
 endif()

include/of_util.h

@@ -47,6 +47,7 @@ public:
 public:
     static ofString now_time();
     static ofString get_file_size(long long bytes);
+    static ofString get_uuid();
 };
 
 class CMutBuffer

src/of_util.cpp

@@ -7,6 +7,12 @@
 #ifdef _WIN32
 #include <windows.h>
 #endif
+// 这里这样写是为了处理头文件排序问题
+#ifdef _WIN32
+#include <rpcdce.h>
+#else
+#include <uuid/uuid.h>
+#endif
 
 namespace ofen {
 void CMutBuffer::push(const char* data, int len)
@@ -117,6 +123,33 @@ ofString OfUtil::get_file_size(long long bytes)
     return oss.str();
 }
 
+ofString OfUtil::get_uuid()
+{
+#ifdef _WIN32
+    UUID uuid;
+    UuidCreate(&uuid);
+    ofChar* pUuid = nullptr;
+#ifdef UNICODE_OFSTR
+    UuidToStringW(&uuid, (RPC_CSTR*)&pUuid);
+#else
+    UuidToStringA(&uuid, (RPC_CSTR*)&pUuid);
+#endif
+    ofString ret(pUuid);
+#ifdef UNICODE_OFSTR
+    RpcStringFreeW((RPC_CSTR*)&pUuid);
+#else
+    RpcStringFreeA((RPC_CSTR*)&pUuid);
+#endif
+    return ret;
+#else
+    uuid_t uuid;
+    uuid_generate(uuid);
+    char uuid_str[37];
+    uuid_unparse(uuid, uuid_str);
+    return ofString(uuid_str);
+#endif
+}
+
 #ifdef _WIN32
 std::string CCodec::u8_to_ansi(const std::string& str)
 {