Qt 之 HTTP 请求下载（支持断点续传）

/**************************************************************************** ** Resource object code ** ** Created by: The Resource Compiler for Qt version 5.5.1 ** ** WARNING! All changes made in this file will be lost! *****************************************************************************/ static const unsigned char qt_resource_data[] = { // F:/QtProject/MyHttpDownload_9_29/MyHttpDownload/Resources/progressbar_back.png 0x0,0x0,0xb,0xfe, 0x89, 0x50,0x4e,0x47,0xd,0xa,0x1a,0xa,0x0,0x0,0x0,0xd,0x49,0x48,0x44,0x52,0x0, 0x0,0x0,0x70,0x0,0x0,0x0,0xa,0x8,0x6,0x0,0x0,0x0,0x6c,0x59,0xda,0xec, 0x0,0x0,0x0,0x9,0x70,0x48,0x59,0x73,0x0,0x0,0xb,0x13,0x0,0x0,0xb,0x13, 0x1,0x0,0x9a,0x9c,0x18,0x0,0x0,0xa,0x4d,0x69,0x43,0x43,0x50,0x50,0x68,0x6f, 0x74,0x6f,0x73,0x68,0x6f,0x70,0x20,0x49,0x43,0x43,0x20,0x70,0x72,0x6f,0x66,0x69, 0x6c,0x65,0x0,0x0,0x78,0xda,0x9d,0x53,0x77,0x58,0x93,0xf7,0x16,0x3e,0xdf,0xf7, 0x65,0xf,0x56,0x42,0xd8,0xf0,0xb1,0x97,0x6c,0x81,0x0,0x22,0x23,0xac,0x8,0xc8, 0x10,0x59,0xa2,0x10,0x92,0x0,0x61,0x84,0x10,0x12,0x40,0xc5,0x85,0x88,0xa,0x56, 0x14,0x15,0x11,0x9c,0x48,0x55,0xc4,0x82,0xd5,0xa,0x48,0x9d,0x88,0xe2,0xa0,0x28, 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