first commit

app/core/err_handler.py

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+import logging
+
+from flask import jsonify, request, make_response, abort
+from marshmallow import ValidationError
+
+logger = logging.getLogger(__name__)
+
+
+# 处理404错误
+def page_not_found(e):
+    # if a request is in our blog URL space
+    if request.path.startswith('/blog/'):
+        # we return a custom blog 404 page
+        return jsonify({
+            "code": e.code,
+            "message": e.name,
+            "description": e.description,
+            "data": ""
+        }), 404
+    else:
+        # otherwise we return our generic site-wide 404 page
+        return jsonify({
+            "code": e.code,
+            "message": e.name,
+            "description": e.description,
+            "data": ""
+        }), 404
+
+
+# 处理405错误
+def method_not_allowed(e):
+    # otherwise we return a generic site-wide 405 page
+    return jsonify({
+        "code": e.code,
+        "message": e.name,
+        "description": e.description,
+        "data": ""
+    }), 405
+
+
+# 处理其他400错误
+def exception_400(e):
+    # otherwise we return a generic site-wide 405 page
+    return jsonify({
+        "code": e.code,
+        "message": e.name,
+        "description": e.description,
+        "data": ""
+    }), 400
+
+
+# 处理其他状态码错误
+def exception_500(e):
+    print(e)
+    return jsonify({
+        "code": e.code,
+        "message": e.name,
+        "description": e.description,
+        "data": ""
+    }), e.code
+
+
+# 处理参数校验错误
+def check_data(schema, data):
+    try:
+        return schema().load(data)
+    except ValidationError as e:
+        abort(make_response(jsonify(code=400, message=str(e.messages), data=None), 400))