ColdFusion和jQuery的AJAX

ColdFusion和jQuery的AJAX

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ColdFusion和jQuery的AJAX

本文介绍了ColdFusion和jQuery的AJAX的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我的CFC的工作，因为我可以调用它，并获取数据的JSON字符串，但是，我的jQuery ajax调用给我一个错误语法错误：JSON.parse：数据意外结束。

Ajax调用：

  $。阿贾克斯（{
    键入：搞定，
    网址：/surveymanagement/admin/client.cfc
    数据类型：JSON，
    数据： {
        方法：GetClientsByName
        名称：IM
    }，
    成功：功能（数据）{
        $（＃这里）的HTML（数据）。
    }，
    错误：功能（A，B，C）{
        $（＃这里）的html（a.responseText + C）。
    }
}）;

当我调用组件在其他CFM页我的CFC返回字符串： [{CLIENT_ID：58，CLIENT_NAME：Aimbridge}，{CLIENT_ID：104，CLIENT_NAME ：IMF}] 。

什么可能我的问题是什么？

另外，如果我直接去我CFC在浏览器 http://domain.com/filepath/client.cfc?method=GetClientsByName&name=im 我不要错误，但它仅仅是一个白色的屏幕。我不知道我应该当我直接去它被看到。

为求这里所有的信息是client.cfc：

 ＆LT; CFCOMPONENT＆GT;
＆所述; cfsetting showdebugoutput =无＆GT;
＆LT; cffunction名=GetClientsByName
    访问=远程
    返回类型=字符串
    提示=得到的搜索字词客户＆GT;

    ＆LT; cfargument名称=名称TYPE =字符串要求=是＆GT;

    ＆LT; CFSET VAR UTIL =的CreateObject（组件，/ surveymanagement / JSONUtil）＆GT;
    ＆所述; CFSET变种结果= arrayNew（1）＆GT;
    ＆LT; CFSET VAR的elem =＆GT;

    ＆LT; CFQUERY NAME =GetClientsByName数据源=＃application.dsn＃＆GT;
        SELECT CLIENT_ID，CLIENT_NAME
        来自客户端
        其中，客户LIKE＆LT; cfqueryparam cfsqltype =cf_sql_varchar值=％＃arguments.name＃％＆GT;
    ＆LT; / CFQUERY＆GT;

    ＆LT; CFLOOP查询=GetClientsByName＆GT;
        ＆LT; CFSET ELEM = structNew（）＆GT;
        ＆LT; CFSET ELEM [CLIENT_ID] = GetClientsByName.client_id＆GT;
        ＆LT; CFSET ELEM [CLIENT_NAME] = GetClientsByName.client_name＆GT;
        ＆LT; CFSET arrayAppend（结果，ELEM）＆GT;
    ＆LT; / CFLOOP＆GT;

    ＆LT; cfcontent类型=应用/ JSON的复位=真正的＆GT;
    ＆LT; cfreturn util.serializeJSON（结果）＆GT;
＆LT; / cffunction＆GT;
＆LT; / CFCOMPONENT＆GT;

注：我使用coldfusion7所以我不能使用 returnformat ='json的

的Application.cfc或许真的走到歪在这里：

 ＆LT; CFCOMPONENT
显示名称=应用程序
输出=真
提示=处理应用程序＆GT;

＆LT; CFSET THIS.Name =SurveyManagement/＆GT;
＆LT; CFSET THIS.ApplicationTimeout = CreateTimeSpan（0,1,0,0）/＆GT;
＆LT; CFSET THIS.SessionManagement = TRUE /＆GT;
＆LT; CFSET THIS.SetClientCookies = FALSE /＆GT;

＆LT; cffunction
    NAME =OnApplicationStart
    访问=公共
    返回类型=布尔
    输出=假
    当第一次创建时触发的应用程序。暗示=＆GT;

    ＆LT; cfreturn真/＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnSessionStart
    访问=公共
    返回类型=无效
    输出=假
    当第一次创建时触发的会话。暗示=＆GT;

    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnRequestStart
    访问=公共
    返回类型=布尔
    输出=假
    提示=火灾在页面处理的第一部分。＆GT;

    ＆LT; cfargument
        NAME =TargetPage
        TYPE =字符串
        所需=真
        /＆GT;
    ＆LT; cfparam名=variables.this_query_string默认值=＆GT;
    ＆LT; CFIF cgi.QUERY_STRING NEQ＆GT;
        ＆LT;？＃cgi.QUERY_STRING＃CFSET variables.this_query_string =＆GT;
    ＆LT; / CFIF＆GT;
    ＆LT; cfparam名=server.ThisServer默认值=www4.mydomain.com＆GT;
    ＆LT; CFIF cgi.SERVER_PORT NEQ443或cgi.HTTP_HOST情商www.mydomain.com＆GT;
        ＆LT; cflocation URL =HTTPS：//#server.ThisServer##cgi.PATH_INFO##variables.this_query_string#addtoken =无＆GT;
    ＆LT; / CFIF＆GT;

    ＆LT; cfparam名=form.fieldnames默认值=＆GT;
    ＆LT; CFLOOP列表=＃form.fieldnames＃指数=我＆GT;
        ＆LT; CFIF评估（我）NEQ＆GT;
            ＆LT; CFSET form_value_temp =评估（I）GT;
            ＆所述; CFSET form_value_temp =取代（form_value_temp，＆所述;，＆安培;其中;，所有）＆GT;
            ＆所述; CFSET form_value_temp =取代（form_value_temp，＆gt;中，与＆amp; gt;中，所有）＆GT;
            ＆LT; CFSET的形式＃I＃= form_value_temp＆GT;
        ＆LT; / CFIF＆GT;
    ＆LT; / CFLOOP＆GT;
    ＆LT; cfreturn真/＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnRequest
    访问=公共
    返回类型=无效
    输出=真
    提示=之后pre页面处理火灾就完成了​​。＆GT;

    ＆LT; cfargument
        NAME =TargetPage
        TYPE =字符串
        所需=真
        /＆GT;

    ＆LT; CFSET application.dsn =SurveyManagement＆GT;
    ＆LT; CFSET application.title =测量管理站点＆GT;
    ＆LT; CFSET application.directory =surveymanagement＆GT;
    ＆LT; CFSET application.cfc_data =surveymanagement＆GT;

    ＆LT; cfinclude模板=＃ARGUMENTS.TargetPage＃/＆GT;

    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnRequestEnd
    访问=公共
    返回类型=无效
    输出=真
    提示=页面处理火灾后完成。＆GT;

    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnSessionEnd
    访问=公共
    返回类型=无效
    输出=假
    提示=火灾时，会话将被终止。＆GT;

    ＆LT; cfargument
        NAME =SessionScope
        TYPE =结构
        所需=真
        /＆GT;

    ＆LT; cfargument
        NAME =ApplicationScope
        TYPE =结构
        所需=假
        默认值=＃StructNew（）＃
        /＆GT;

    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =OnApplicationEnd
    访问=公共
    返回类型=无效
    输出=假
    提示=火灾时，该应用程序将被终止。＆GT;

    ＆LT; cfargument
        NAME =ApplicationScope
        TYPE =结构
        所需=假
        默认值=＃StructNew（）＃
        /＆GT;

    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;


＆LT; cffunction
    NAME =的OnError
    访问=公共
    返回类型=无效
    输出=真
    提示=时触发异常occures未捕获一个try / catch。＆GT;

    ＆LT; cfargument名=除非需要=真/＆GT;
    ＆LT; P＆gt;一种意外出错＆LT; / P＆GT;
    ＆LT; P＆gt;请咨询您的建议技术支持联系以获得帮助和LT; / P＆GT;
    ＆LT; CFIF findnocase（这里的IP地址，cgi.REMOTE_ADDR）或findnocase（这里的IP地址，cgi.REMOTE_ADDR）＆GT;
        ＆所述; cfdump变种=＃Except.RootCause＃＆GT;
    ＆LT; / CFIF＆GT;
    ＆LT; cfreturn /＆GT;
＆LT; / cffunction＆GT;

解决方案

我不知道这是否会帮助，但我的工作与angularjs数据的工作，并期待在这个帖子：会谈上使用CFC的瓦特/输出需要创建自己的JSON（还演示了如何CFMX处理JSON调用）有点

My cfc is working because I can invoke it and get the json string of data, however, my jquery ajax call gives me an error "SyntaxError: JSON.parse: unexpected end of data".

ajax call:

$.ajax({
    type: "get",
    url: "/surveymanagement/admin/client.cfc",
    dataType: "json",
    data: {
        method: "GetClientsByName",
        name: "im"
    },
    success: function(data){
        $("#here").html(data);
    },
    error: function(a,b,c){
        $("#here").html(a.responseText + c);
    }
});

When I invoke the component in another cfm page my cfc returns the string: [{"client_id":58,"client_name":"Aimbridge"},{"client_id":104,"client_name":"IMF"}] .

What might my problem be?

also, if I go directly to my cfc in the browser http://domain.com/filepath/client.cfc?method=GetClientsByName&name=imI don't get errors but it is just a white screen. I don't know what I am supposed to be seeing when I go directly to it.

for the sake of all info here is client.cfc:

<cfcomponent>
<cfsetting showdebugoutput="no">
<cffunction name="GetClientsByName"
    access="remote"
    returntype="string"
    hint="get clients from search term">

    <cfargument name="name" type="string" required="yes">

    <cfset var util = createObject("component", "/surveymanagement/JSONUtil")>
    <cfset var results = arrayNew(1)>
    <cfset var elem = "">

    <cfquery name="GetClientsByName" datasource="#application.dsn#">
        SELECT client_id, client_name
        FROM Clients
        WHERE client_name LIKE <cfqueryparam cfsqltype="cf_sql_varchar" value="%#arguments.name#%">
    </cfquery>

    <cfloop query="GetClientsByName">
        <cfset elem = structNew()>
        <cfset elem["client_id"] = GetClientsByName.client_id>
        <cfset elem["client_name"] = GetClientsByName.client_name>
        <cfset arrayAppend(results, elem)>
    </cfloop>

    <cfcontent type="application/json" reset="true">
    <cfreturn util.serializeJSON(results)>
</cffunction>
</cfcomponent>

Note: I'm using coldfusion7 so I cannot use returnformat='json'

application.cfc maybe something went awry here:

<cfcomponent
displayname="Application"
output="true"
hint="Handle the Application">

<cfset THIS.Name = "SurveyManagement" />
<cfset THIS.ApplicationTimeout = CreateTimeSpan(0,1,0,0) />
<cfset THIS.SessionManagement = true />
<cfset THIS.SetClientCookies = false />

<cffunction
    name="OnApplicationStart"
    access="public"
    returntype="boolean"
    output="false"
    hint="Fires when the application is first created.">

    <cfreturn true />
</cffunction>


<cffunction
    name="OnSessionStart"
    access="public"
    returntype="void"
    output="false"
    hint="Fires when the session is first created.">

    <cfreturn />
</cffunction>


<cffunction
    name="OnRequestStart"
    access="public"
    returntype="boolean"
    output="false"
    hint="Fires at first part of page processing.">

    <cfargument
        name="TargetPage"
        type="string"
        required="true"
        />
    <cfparam name="variables.this_query_string" default="">
    <cfif cgi.QUERY_STRING neq "">
        <cfset variables.this_query_string="?#cgi.QUERY_STRING#">
    </cfif>
    <cfparam name="server.ThisServer" default="www4.mydomain.com">
    <cfif cgi.SERVER_PORT neq "443" or cgi.HTTP_HOST eq "www.mydomain.com">
        <cflocation url="https://#server.ThisServer##cgi.PATH_INFO##variables.this_query_string#" addtoken="no">
    </cfif>

    <cfparam name="form.fieldnames" default="">
    <cfloop list="#form.fieldnames#" index="i">
        <cfif Evaluate(i) neq "">
            <cfset form_value_temp=Evaluate(i)>
            <cfset form_value_temp=replace(form_value_temp,"<", "&lt;", "all")>
            <cfset form_value_temp=replace(form_value_temp,">", "&gt;", "all")>
            <cfset "form.#i#"=form_value_temp>
        </cfif>
    </cfloop>
    <cfreturn true />
</cffunction>


<cffunction
    name="OnRequest"
    access="public"
    returntype="void"
    output="true"
    hint="Fires after pre page processing is complete.">

    <cfargument
        name="TargetPage"
        type="string"
        required="true"
        />

    <cfset application.dsn="SurveyManagement">
    <cfset application.title="Survey Management Site">
    <cfset application.directory="surveymanagement">
    <cfset application.cfc_data="surveymanagement">

    <cfinclude template="#ARGUMENTS.TargetPage#" />

    <cfreturn />
</cffunction>


<cffunction
    name="OnRequestEnd"
    access="public"
    returntype="void"
    output="true"
    hint="Fires after the page processing is complete.">

    <cfreturn />
</cffunction>


<cffunction
    name="OnSessionEnd"
    access="public"
    returntype="void"
    output="false"
    hint="Fires when the session is terminated.">

    <cfargument
        name="SessionScope"
        type="struct"
        required="true"
        />

    <cfargument
        name="ApplicationScope"
        type="struct"
        required="false"
        default="#StructNew()#"
        />

    <cfreturn />
</cffunction>


<cffunction
    name="OnApplicationEnd"
    access="public"
    returntype="void"
    output="false"
    hint="Fires when the application is terminated.">

    <cfargument
        name="ApplicationScope"
        type="struct"
        required="false"
        default="#StructNew()#"
        />

    <cfreturn />
</cffunction>


<cffunction
    name="OnError"
    access="public"
    returntype="void"
    output="true"
    hint="Fires when an exception occures that is not caught by a try/catch.">

    <cfargument name="Except" required=true/>
    <p>AN UNEXPECTED ERROR HAS OCCURRED</p>
    <p>Please consult your suggested technical support contact for assistance.</p>
    <cfif findnocase("ip address here",cgi.REMOTE_ADDR) or findnocase("ip address here",cgi.REMOTE_ADDR)>
        <cfdump var="#Except.RootCause#">
    </cfif>
    <cfreturn />
</cffunction>
解决方案

I'm not sure if this will help but I'm working on working with data for angularjs and was looking at this post: Talks a bit on using CFC's w/out the need to create the JSON yourself (also demonstrates how CFMX handled json calls).

这篇关于ColdFusion和jQuery的AJAX的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

08-27 13:38
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