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鍍金池/ 問答/HTML/ 問個簡單的axios提交數(shù)組的問題

問個簡單的axios提交數(shù)組的問題

axios({

 methods: "post",
 url: removeUrl,
 data:{
   delitems:that.delIndex,
 }

})

這里面delIndex是簡單的純數(shù)字?jǐn)?shù)組，請問我這么寫對嗎，為什么總報500的錯誤

delIndex:(2) [5, 9, __ob__: Observer]

報錯：
<!doctype html><html lang="en"><head><title>HTTP Status 500 – Internal Server Error</title><style type="text/css">h1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} h2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} h3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} body {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} b {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} p {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;} a {color:black;} a.name {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 500 – Internal Server Error</h1>

<p>Type Exception Report</p><p>Message Request processing failed; nested exception is java.lang.NullPointerException</p><p>Description The server encountered an unexpected condition that prevented it from fulfilling the request.</p><p>Exception</p><pre>org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:158)
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232)
com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

</pre><p>Root Cause</p><pre>java.lang.NullPointerException

com.util.StringUtil.StrList(StringUtil.java:18)
com.controller.system.lightController.delByIds(lightController.java:83)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:158)
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232)
com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

</pre><p>Note The full stack trace of the root cause is available in the server logs.</p>

<h3>Apache Tomcat/8.5.20</h3></body></html>
回答
編輯回答
魚梓

500是服務(wù)器異常，通常是服務(wù)端在處理請求（處理參數(shù)）時發(fā)生錯誤，你可以通過瀏覽器控制臺看一下你的請求content-type和參數(shù)格式是否符合后端要求。
最后：可以貼一下報錯內(nèi)容嗎？

2018年5月28日 02:16
編輯回答
墨小羽

transformRequest: [
function(data) {

 let ret = "";
    for (let it in data) {
       ret = it + "=" + data[it];
}
return ret;

}
]

轉(zhuǎn)換了格式解決了，默認(rèn)傳過去的是{delitems:"1,2,3"}，實(shí)際需要的是delitems=1,2,3

2018年8月11日 20:18