优化协同编辑查看功能，只读用户可以查看在线编辑用户编辑的内容

src/main/java/com/oo/onlyoffice/api/impl/OnlyServiceAPIImpl.java

@@ -81,8 +81,11 @@ public class OnlyServiceAPIImpl implements OnlyServiceAPI {
             return documentEdit(map, collaborativeEditing, clientType);
         }
         if (VIEW.equals(mode)) {
-            return documentView(map, clientType);
+            return documentView(map, collaborativeEditing, clientType);
         }
+//        if (VIEW.equals(mode)) {
+//            return documentView(map, clientType);
+//        }
         return null;
     }
 
@@ -94,6 +97,13 @@ public class OnlyServiceAPIImpl implements OnlyServiceAPI {
         return config;
     }
 
+    private Map documentView(Map<String, Object> map, boolean collaborativeEditing, String clientType) {
+        FileConfig fileConfigDTO = openEditConfig(map, "view", collaborativeEditing, clientType);
+        String json = JSON.toJSONString(fileConfigDTO);
+        Map<String, Object> config = JSON.parseObject(json, Map.class);
+        config.put("type", clientType);
+        return config;
+    }
 
     private Map documentView(Map<String, Object> map, String clientType) {
         FileConfig fileConfigDTO = openEditConfig(map, "view", false, clientType);

src/main/java/com/oo/onlyoffice/core/FileConfigFactory.java

@@ -1,6 +1,7 @@
 package com.oo.onlyoffice.core;
 
 import cn.hutool.core.date.DateUtil;
+import com.alibaba.fastjson2.JSONObject;
 import com.oo.onlyoffice.config.OnlyProperties;
 import com.oo.onlyoffice.dto.DocumentConfig;
 import com.oo.onlyoffice.dto.EditorConfig;
@@ -77,8 +78,12 @@ public class FileConfigFactory implements OnlyOfficeConfigFactory {
         editorConfig.setFileCustomization(getFileCustomization(mode, clientType));
         editorConfig.setFileUser(user);
         editorConfig.setPlugins(getPlugins());
-
-
+        //共同编辑"coEditing"配置：
+        //        "coEditing": {           "mode": "fast","change": true}
+        JSONObject coEditing = new JSONObject();
+        coEditing.put("mode", "fast");
+        coEditing.put("change", "true");
+        editorConfig.setCoEditing(coEditing);
         fileConfigDTO.setEditorConfig(editorConfig);
         map.put("editorConfig", editorConfig);
 

src/main/java/com/oo/onlyoffice/core/handler/FileHandlerImpl.java

@@ -77,8 +77,23 @@ public class FileHandlerImpl implements FileHandler {
                     cache.set(user.getId() + "_" + id, key);
                     cache.set("getID_" + key, id);
                 }
-            } else {//查看模式
-                key = id;
+            } else {
+                //查看模式
+                if (collaborativeEditing) {
+                    if (cache.get("collaborativeEditing_" + id) != null) {
+                        key = (String) cache.get("collaborativeEditing_" + id);
+                    } else {
+                        key = IdUtil.simpleUUID();
+                        cache.set("collaborativeEditing_" + id, key);
+                        cache.set("getID_" + key, id);
+                    }
+                } else {
+                    key = IdUtil.simpleUUID();
+                    FileUser user = SecurityUtils.getUserSession();
+                    cache.set(user.getId() + "_" + id, key);
+                    cache.set("getID_" + key, id);
+                }
+              //  key = id;
             }