#!/usr/bin/env python3 # -*- coding: utf-8 -*- from flask import Flask, request, jsonify, render_template, send_file import json import os from datetime import datetime app = Flask(__name__) class JSONFormatter: """JSON格式化工具类""" @staticmethod def format_standard(data, indent=2): """标准格式化 - 带缩进的可读格式""" return json.dumps(data, ensure_ascii=False, indent=indent) @staticmethod def minify(data): """最小化 - 压缩去除空格""" return json.dumps(data, ensure_ascii=False, separators=(',', ':')) @staticmethod def one_line_per_object(data): """一行化 - 每个对象/元素占一行""" if isinstance(data, list): # 如果是数组，每个元素占一行 lines = ['['] for i, item in enumerate(data): comma = ',' if i < len(data) - 1 else '' lines.append(f' {json.dumps(item, ensure_ascii=False)}{comma}') lines.append(']') return '\n'.join(lines) elif isinstance(data, dict): # 如果是对象，每个键值对占一行 lines = ['{'] keys = list(data.keys()) for i, key in enumerate(keys): comma = ',' if i < len(keys) - 1 else '' value_str = json.dumps(data[key], ensure_ascii=False) lines.append(f' {json.dumps(key, ensure_ascii=False)}: {value_str}{comma}') lines.append('}') return '\n'.join(lines) else: # 基本类型直接返回 return json.dumps(data, ensure_ascii=False) @app.route('/') def index(): """主页""" return render_template('json_editor.html') @app.route('/api/format', methods=['POST']) def format_json(): """JSON格式化API""" try: data = request.get_json() content = data.get('content', '') format_type = data.get('format_type', 'standard') # standard, minify, oneline if not content.strip(): return jsonify({'success': False, 'message': '请提供JSON内容'}) # 解析JSON try: json_data = json.loads(content) except json.JSONDecodeError as e: return jsonify({'success': False, 'message': f'JSON格式错误: {str(e)}'}) # 根据类型格式化 formatter = JSONFormatter() if format_type == 'standard': formatted = formatter.format_standard(json_data) message = 'JSON标准格式化完成' elif format_type == 'minify': formatted = formatter.minify(json_data) message = 'JSON最小化完成' elif format_type == 'oneline': formatted = formatter.one_line_per_object(json_data) message = 'JSON一行化格式完成' else: return jsonify({'success': False, 'message': '不支持的格式化类型'}) return jsonify({ 'success': True, 'message': message, 'formatted': formatted, 'original_length': len(content), 'formatted_length': len(formatted) }) except Exception as e: return jsonify({'success': False, 'message': f'处理错误: {str(e)}'}) @app.route('/api/batch_add', methods=['POST']) def batch_add_property(): """批量添加属性API""" try: data = request.get_json() content = data.get('content', '') key_name = data.get('key_name', '') key_value = data.get('key_value', '') if not content.strip(): return jsonify({'success': False, 'message': '请提供JSON内容'}) if not key_name.strip(): return jsonify({'success': False, 'message': '请提供键名'}) # 解析JSON try: json_data = json.loads(content) except json.JSONDecodeError as e: return jsonify({'success': False, 'message': f'JSON格式错误: {str(e)}'}) # 智能解析键值 parsed_value = parse_value(key_value) # 批量添加属性 count = add_property_to_all_objects(json_data, key_name, parsed_value) # 格式化输出 formatted = JSONFormatter.format_standard(json_data) return jsonify({ 'success': True, 'message': f'成功为 {count} 个对象添加了属性 "{key_name}": {json.dumps(parsed_value, ensure_ascii=False)}', 'formatted': formatted, 'count': count }) except Exception as e: return jsonify({'success': False, 'message': f'处理错误: {str(e)}'}) def parse_value(value_str): """智能解析值的类型""" if value_str == '': return '' # null if value_str.lower() == 'null': return None # boolean if value_str.lower() == 'true': return True if value_str.lower() == 'false': return False # number try: if '.' in value_str: return float(value_str) else: return int(value_str) except ValueError: pass # JSON object or array if (value_str.startswith('{') and value_str.endswith('}')) or \ (value_str.startswith('[') and value_str.endswith(']')): try: return json.loads(value_str) except json.JSONDecodeError: pass # string return value_str def add_property_to_all_objects(obj, key, value): """递归为所有对象添加属性""" count = 0 def traverse(current): nonlocal count if isinstance(current, dict): current[key] = value count += 1 # 继续递归处理嵌套对象 for val in current.values(): if isinstance(val, (dict, list)) and val != current: traverse(val) elif isinstance(current, list): for item in current: traverse(item) traverse(obj) return count @app.route('/api/validate', methods=['POST']) def validate_json(): """JSON验证API""" try: data = request.get_json() content = data.get('content', '') if not content.strip(): return jsonify({'success': False, 'message': '请提供JSON内容'}) try: json_data = json.loads(content) return jsonify({ 'success': True, 'message': 'JSON格式正确 ✓', 'valid': True }) except json.JSONDecodeError as e: return jsonify({ 'success': False, 'message': f'JSON格式错误: {str(e)}', 'valid': False, 'error': str(e) }) except Exception as e: return jsonify({'success': False, 'message': f'验证错误: {str(e)}'}) @app.route('/api/download', methods=['POST']) def download_json(): """下载JSON文件""" try: data = request.get_json() content = data.get('content', '') format_type = data.get('format_type', 'standard') if not content.strip(): return jsonify({'success': False, 'message': '没有可下载的内容'}) # 验证JSON格式 try: json_data = json.loads(content) except json.JSONDecodeError as e: return jsonify({'success': False, 'message': f'JSON格式错误: {str(e)}'}) # 格式化 formatter = JSONFormatter() if format_type == 'minify': formatted_content = formatter.minify(json_data) elif format_type == 'oneline': formatted_content = formatter.one_line_per_object(json_data) else: formatted_content = formatter.format_standard(json_data) # 生成文件名 timestamp = datetime.now().strftime("%Y%m%d_%H%M%S") filename = f"edited_json_{format_type}_{timestamp}.json" # 创建临时文件 temp_file = f"temp_{filename}" with open(temp_file, 'w', encoding='utf-8') as f: f.write(formatted_content) return send_file(temp_file, as_attachment=True, download_name=filename) except Exception as e: return jsonify({'success': False, 'message': f'下载错误: {str(e)}'}) if __name__ == '__main__': # 确保templates目录存在 os.makedirs('templates', exist_ok=True) # 运行应用 app.run(debug=True, host='0.0.0.0', port=5000)