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新增ocr
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Gy Hu
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README.md
81
README.md
@ -29,11 +29,48 @@ Visual Studio code
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cmake
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vcpkg
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#### 构建步骤
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以下是在vscode中操作，vs中的操作类似。
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1.安装vcpkg，cmake，vscode
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2.安装相应的库，如果安装的版本不同，则根据vcpkg安装成功后提示的find_package修改CMakeLists.txt内容即可。或者自己编译。
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```
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vcpkg install mongoose
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vcpkg install nlohmann-json
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```
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3.vscode 配置CMakePresets.json,主要设置CMAKE_C_COMPILER 和CMAKE_CXX_COMPILER 为cl.exe.参考如下
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```
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{
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"name": "x86-release",
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"displayName": "x86-release",
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"description": "Sets Ninja generator, build and install directory",
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"generator": "Ninja",
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"binaryDir": "${sourceDir}/out/build/${presetName}",
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"architecture":{
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"value": "x86",
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"strategy": "external"
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},
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"cacheVariables": {
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"CMAKE_C_COMPILER": "cl.exe",
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"CMAKE_CXX_COMPILER": "cl.exe",
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"CMAKE_BUILD_TYPE": "Release",
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"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
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"CMAKE_TOOLCHAIN_FILE": {
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"value": "C:/soft/vcpkg/scripts/buildsystems/vcpkg.cmake",
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"type": "FILEPATH"
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}
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},
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"environment": {
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}
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}
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```
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4.vscode中右键configure all projects,在Terminal中点击Run Task，如没有先配置build任务，然后运行即可
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#### 更新说明
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2022-12-26 ： 增加3.8.1.26版本支持。
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2022-12-29 ： 新增提取文字功能。
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### 接口文档：
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@ -60,7 +97,6 @@ vcpkg
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|data|string|响应内容|
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###### 接口示例
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地址：https://www.bincoding.cn/test
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入参：
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``` javascript
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```
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@ -107,7 +143,6 @@ vcpkg
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|wxid|string|wxid|
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###### 接口示例
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地址：https://www.bincoding.cn/test
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入参：
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``` javascript
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```
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@ -143,7 +178,7 @@ vcpkg
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###### 接口示例
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地址：https://www.bincoding.cn/test
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入参：
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``` javascript
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{
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@ -691,6 +726,44 @@ vcpkg
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```
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#### 49.提取文字**
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###### 接口功能
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> 提取图片中的文字
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###### 接口地址
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> [/api/?type=49](/api/?type=49)
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###### HTTP请求方式
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> POST JSON
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###### 请求参数
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|参数|必选|类型|说明|
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|---|---|---|---|
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|imagePath |ture |string| 图片路径 |
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###### 返回字段
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|返回字段|字段类型|说明 |
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|---|---|---|
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|code|int|返回状态,0成功, -1失败，1 2 则是缓存或者正在进行中需再调用一次|
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|result|string|成功提示|
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|text|string|提取的相应文字|
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###### 接口示例
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入参：
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``` javascript
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{
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"imagePath":"C:\\3a610d7bc1cf5a15d12225a64b8962.dat"
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}
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```
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响应：
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``` javascript
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{"code":0,"result":"OK","text":"搜索商品新闻简报小程序上线啦!!!我的收藏地址管理促销单品多买多省热门榜单热门榜单首发新品精品推荐精品推荐首发新品FRONTI警微安奈儿 童装冬季款男￥39900￥59.90帕拉丁品牌 时尚双背包409 00￥49.90我是有底线的首页分类购物车我的"}
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```
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#### 感谢
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https://github.com/ljc545w/ComWeChatRobot
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10
src/api.cc
10
src/api.cc
@ -18,6 +18,7 @@
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#include "chat_room.h"
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#include "self_info.h"
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#include "hook_img.h"
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#include "ocr.h"
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#pragma comment(lib, "ws2_32.lib")
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using namespace std;
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@ -535,6 +536,15 @@ void api_handle(mg_http_message *hm, struct mg_connection *c, string &ret) {
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int success = GetImgByName(WS2LW(image_path),WS2LW(save_path));
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json ret_data = {{"code", success}, {"result", "OK"}};
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ret = ret_data.dump();
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break;
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}
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case WECHAT_DO_OCR:{
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wstring image_path = get_http_req_param(hm, j_param, "imagePath", is_post);
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string text("");
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int success = DoOCRTask(WS2LW(image_path),text);
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json ret_data = {{"code", success}, {"result", "OK"},{"text",text}};
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ret = ret_data.dump();
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break;
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}
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default:
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break;
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@ -63,6 +63,7 @@ typedef enum WECHAT_HTTP_APISTag
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WECHAT_GET_CONTACT_ALL,
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WECHAT_GET_CHATROOM_INFO,
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WECHAT_GET_IMG_BY_NAME,
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WECHAT_DO_OCR,
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} WECHAT_HTTP_APIS,
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*PWECHAT_HTTP_APIS;
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61
src/ocr.cc
Normal file
61
src/ocr.cc
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@ -0,0 +1,61 @@
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#include "pch.h"
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#include "ocr.h"
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#include "common.h"
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#include "wechat_data.h"
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#define WX_INIT_OBJ_OFFSET 0x6cbab0
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#define WX_OCR_MANAGER_OFFSET 0x6cff00
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#define WX_DO_OCR_TASK_OFFSET 0x11e3210
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int DoOCRTask(wchar_t *img_path, std::string &result) {
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int success = -1;
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WeChatString path(img_path);
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WeChatString null_obj = {0};
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WeChatString ocr_result = {0};
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DWORD base = GetWeChatWinBase();
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DWORD ocr_manager_addr = base + WX_OCR_MANAGER_OFFSET;
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DWORD do_ocr_task_addr = base + WX_DO_OCR_TASK_OFFSET;
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DWORD init_addr = base + WX_INIT_OBJ_OFFSET;
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__asm {
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PUSHAD
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PUSHFD
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LEA ECX,ocr_result
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CALL init_addr
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CALL ocr_manager_addr
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LEA ECX,null_obj
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PUSH ECX
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LEA ECX,ocr_result
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PUSH ECX
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PUSH ECX
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LEA ECX,path
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PUSH ECX
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MOV ECX,EAX
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CALL do_ocr_task_addr
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MOV success,EAX
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POPFD
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POPAD
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}
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if (success == 0) {
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DWORD addr = (DWORD)&ocr_result;
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DWORD ptr = *(DWORD *)addr;
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DWORD num = *(DWORD *)(addr + 0x4);
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if (num <= 0) {
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return success;
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}
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DWORD header = *(DWORD *)ptr;
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for (unsigned int i = 0; i < num -1; i++) {
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DWORD content = *(DWORD *)header;
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result += unicode_to_utf8((wchar_t *)READ_WSTRING(content, 0x14).c_str());
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header = content;
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}
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#ifdef _DEBUG
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cout << "num:" << num << endl;
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cout << "all:" << result << endl;
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#endif
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}
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return success;
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}
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