Django查询数据库返回的查询序列（Qureysets）转成JSON问题

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def showallinfo(request):
    articles = Article.objects.all()
    print(len(articles))
    print(type(articles))
    return HttpResponse(json.dumps(list(articles), default=lambda obj: obj.__dict__), content_type='application/json')

[{"_state": {"db": "default", "adding": false}, "id": 1, "sourceName": "\u767e\u5ea6", "sourceUrl": "www.baidu.com", "articleUrl": "dsfsdfsdfsdfsdfsdf", "title": "\u4f60\u597d", "author": "\u6155\u67d0", "publishTime": "28823", "articleCategory": "\u7b2c\u4e09\u65b9", "articleLable": "\u58eb\u5927\u592b\u5927\u5e08\u5085", "articleContent": "\u5927\u5e08\u5085\u4f3c\u7684", "imageUrlList": "\u58eb\u5927\u592b\u5927\u5e08\u5085", "imageTitleList": "\u554a\u6253\u7b97", "articleFromName": "\u554a\u5b9e\u6253\u5b9e", "articleFromUrl": "\u554a\u5b9e\u6253\u5b9e\u7684"}, {"_state": {"db": "default", "adding": false}, "id": 2, "sourceName": "360", "sourceUrl": "\u6740\u6740\u6740", "articleUrl": "\u80dc\u591a\u8d1f\u5c11", "title": "\u9632\u5b88\u6253\u6cd5", "author": "\u58eb\u5927\u592b", "publishTime": "\u58eb\u5927\u592b\u58eb\u5927\u592b", "articleCategory": "\u58eb\u5927\u592b", "articleLable": "\u5fae\u8f6f", "articleContent": "\u5fae\u8f6f", "imageUrlList": "\u5fae\u8f6f", "imageTitleList": "\u98ce\u683c", "articleFromName": "\u5982\u679c", "articleFromUrl": "\u5973"}, {"_state": {"db": "default", "adding": false}, "id": 3, "sourceName": "\u58eb\u5927\u592b", "sourceUrl": "\u7b2c\u4e09\u65b9", "articleUrl": "\u7684", "title": "\u5730\u65b9", "author": "\u98ce\u683c", "publishTime": "\u4eba", "articleCategory": "\u513f\u7ae5", "articleLable": "\u513f\u7ae5", "articleContent": "\u98ce\u683c", "imageUrlList": "\u89c4\u5212", "imageTitleList": "\u5927\u6982", "articleFromName": "\u8c46\u8150\u5e72", "articleFromUrl": "\u5927\u6982"}]

前端用ajax接受数据显示的时候用utf-8编码格式，可以解决编码问题了。