python 转换为json时候 汉字编码问题

t = json.dumps(r, ensure_ascii=False)

如果 不加 ensure_ascii=False 输出的 t 如果有汉字的话都默认给转换成一堆编码 如果加上的话 就都能正常显示变成了汉字

例如：

不加的话： t = json.dumps(r)

[{"category": {"label": "\u65b0\u8f66"}, "title": "\u5168\u65b0\u8d77\u4e9a\u798f\u745e\u8fea\u8def\u8bd5\u8c0d\u7167\u66dd\u5149 \u6216\u4e3a\u5b9a\u540dK3", "url": "http://auto.sohu.com/20120523/n343878794.shtml", "source": "\u641c\u72d0\u6c7d\u8f66", "time": 1337740004, "imgUrl": ""}, {"category": {"label": "\u65b0\u8f66"}, "title": "\u65b0\u5965\u8feaQ7/Q8\u66f4\u591a\u4fe1\u606f\u66dd\u5149 \u5c06\u57fa\u4e8eMLB\u5e73\u53f0", "url": "http://auto.sohu.com/20120523/n343873150.shtml", "source": "\u641c\u72d0\u6c7d\u8f66", "time": 1337737913, "imgUrl": ""}]

加上的话： t = json.dumps(r, ensure_ascii=False)

[{"category": {"label": "新车"}, "title": "全新起亚福瑞迪路试谍照曝光 或为定名K3", "url": "http://auto.sohu.com/20120523/n343878794.shtml", "source": "汽车", "time": 1337740004, "imgUrl": ""}, {"category": {"label": "新车"}, "title": "新奥迪Q7/Q8更多信息曝光 将基于MLB平台", "url": "http://auto.sohu.com/20120523/n343873150.shtml", "source": "汽车", "time": 1337737913, "imgUrl": ""}]