Json响应使用asp.net核心在Web API中被截断 [英] Json response gets truncated in web api using asp.net core

问题描述

我有一个Web API，该API返回一个json对象供我在网站上使用.问题是这样的:

I have a web api that returns a json object for me to use on my website. the problem is this:

[{安装":1，日期":"2016年3月1日"，金额":"27.28"，状态":"\" 01BI000657 \"}，{安装":2 ，日期":"04/01/2016"，金额":"49.25"，状态":"\" 01BI000699 \"}，{安装":3，日期":"05/01/2016，"金额:" 56.31，"状态:" \"01BI000745 \"}，{"安装:4，"日期:" 06/01/2016，"金额:" 53.43"，状态":"\" 01BI000811 \"}，{安装":5，日期":"07/01/2016"，金额":"60.52"，状态":"\" 01EI279932 \ "}，{安装":6，日期":"08/01/2016"，金额":"57.95"，状态":"\" 01BI000934 \"}，{安装":7 ，日期":"09/01/2016"，金额":"60.24"，状态":"\" 01BI001015 \"}，{安装":8，日期":"10/01/2016，"金额:" 67.36，"状态:" \"01EI298127 \"}，{"安装:9，"日期:" 11/01/2016，"金额:" 65.30"，状态":"\" 01BI001185 \"}，{安装":10，日期":"12/01/2016"，金额":"72.44"，状态":"\" 01BI001277 \ "}，{安装":11，日期":"01/01/2017"，金额":"70.75"，状态":"\" 01BI001380 \"}，{安装":12 ，日期":"02/01/2017"，金额":"73.55"，状态":"\" 01BI001486 \"}，{安装":13，"da te:" 03/01/2017，"金额:" 89.28，"状态:" \"01BI001567 \"}，{"安装:14，"日期:" 04/01/2017"，金额":"80.00"，状态":"\" 01BI001691 \"}，{安装":15，日期":"05/01/2017"，金额":"87.23"，状态:" \"01BI001822 \"}，{"安装:16，"日期:" 06/01/2017，"金额:" 86.63，"状态:" \"01BI002011 \" }，{安装":17，日期":"07/01/2017"，金额":"93.89"，状态":"\" 01BI002172 \"}，{安装":18，日期:" 08/01/2017，"金额:" 93.78，"状态:" \"01BI002369 \"}，{"安装:19，"日期:" 09/01/2017"，金额":"97.49"，状态":"\" \"}，{安装":20，日期":"10/01/2017"，金额":"104.81"，状态:" \"\"}，{"安装:21，"日期:" 11/01/2017，"金额:" 105.50，"状态:" \"\"}，{ 安装":22，日期":"12/01/2017"，金额":"112.87"，状态":"\" \"}，{安装":23，日期":"01/01/2018，"金额:" 114.15，"状态:" \"\"}，{"安装:24，"日期:" 02/01/2018，"金额: "118.67"，状态":"\" \"}，{安装":25，日期":"03/01/2018"，金额":"131.57"，状态":"\" \"}，{"ins

[{"installment":1,"date":"03/01/2016","amount":"27.28","status":"\"01BI000657\""},{"installment":2,"date":"04/01/2016","amount":"49.25","status":"\"01BI000699\""},{"installment":3,"date":"05/01/2016","amount":"56.31","status":"\"01BI000745\""},{"installment":4,"date":"06/01/2016","amount":"53.43","status":"\"01BI000811\""},{"installment":5,"date":"07/01/2016","amount":"60.52","status":"\"01EI279932\""},{"installment":6,"date":"08/01/2016","amount":"57.95","status":"\"01BI000934\""},{"installment":7,"date":"09/01/2016","amount":"60.24","status":"\"01BI001015\""},{"installment":8,"date":"10/01/2016","amount":"67.36","status":"\"01EI298127\""},{"installment":9,"date":"11/01/2016","amount":"65.30","status":"\"01BI001185\""},{"installment":10,"date":"12/01/2016","amount":"72.44","status":"\"01BI001277\""},{"installment":11,"date":"01/01/2017","amount":"70.75","status":"\"01BI001380\""},{"installment":12,"date":"02/01/2017","amount":"73.55","status":"\"01BI001486\""},{"installment":13,"date":"03/01/2017","amount":"89.28","status":"\"01BI001567\""},{"installment":14,"date":"04/01/2017","amount":"80.00","status":"\"01BI001691\""},{"installment":15,"date":"05/01/2017","amount":"87.23","status":"\"01BI001822\""},{"installment":16,"date":"06/01/2017","amount":"86.63","status":"\"01BI002011\""},{"installment":17,"date":"07/01/2017","amount":"93.89","status":"\"01BI002172\""},{"installment":18,"date":"08/01/2017","amount":"93.78","status":"\"01BI002369\""},{"installment":19,"date":"09/01/2017","amount":"97.49","status":"\"\""},{"installment":20,"date":"10/01/2017","amount":"104.81","status":"\"\""},{"installment":21,"date":"11/01/2017","amount":"105.50","status":"\"\""},{"installment":22,"date":"12/01/2017","amount":"112.87","status":"\"\""},{"installment":23,"date":"01/01/2018","amount":"114.15","status":"\"\""},{"installment":24,"date":"02/01/2018","amount":"118.67","status":"\"\""},{"installment":25,"date":"03/01/2018","amount":"131.57","status":"\"\""},{"ins

如您所见，它被截断了，它的权重为20kb，字符串长度为2033，所以我想知道是否有办法以某种方式增加响应的最大大小.我在web.config中尝试了MaxJsonLength，但它不起作用，可能是因为.net核心方面，所以我有点迷茫，为什么它会被截断.

as you can see it gets truncated, it weights 20kb, string length is 2033, so I wanted to know if there is a way to increase the max size of the response somehow. I tried the MaxJsonLength inside the web.config but it is not working, might be because of the .net core aspect so I am kinda lost, why it is getting truncated.

推荐答案

我不知道为什么json响应有时会被截断，但就我而言(ASP.NET Core 2.0)，我不得不告诉Newtonsoft.Json忽略像这样的引用循环:

I don't know why the json response gets truncated at some point, but in my case (ASP.NET Core 2.0) I had to tell Newtonsoft.Json to ignore reference loops like so:

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc()
        .AddJsonOptions(
            options => options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore
        );
}

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