优化db外键关联

Author: wyouflf

library/src/com/lidroid/xutils/DbUtils.java

@@ -580,7 +580,7 @@ public static class DaoConfig {
         private String dbDir;
 
         public DaoConfig(Context context) {
-            this.context = context;
+            this.context = context.getApplicationContext();
         }
 
         public Context getContext() {

library/src/com/lidroid/xutils/db/table/Foreign.java

@@ -107,9 +107,15 @@ public Object getColumnValue(Object entity) {
                         Column column = TableUtils.getColumnOrId(foreignEntityType, foreignColumnName);
                         columnValue = column.getColumnValue(foreignEntities.get(0));
 
+                        // 仅自动关联外键
                         Table table = this.getTable();
-                        if (table != null && columnValue == null && column instanceof Id) {
-                            table.db.saveOrUpdateAll(foreignEntities);
+                        if (table != null && column instanceof Id) {
+                            for (Object foreignObj : foreignEntities) {
+                                Object idValue = column.getColumnValue(foreignObj);
+                                if (idValue == null) {
+                                    table.db.saveOrUpdate(foreignObj);
+                                }
+                            }
                         }
 
                         columnValue = column.getColumnValue(foreignEntities.get(0));