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使用JSON工具可以发出JSON Web服务调用，并将返回的数据保存到Joget的表单数据或/和进程的工作流变量中。

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图1：JSON工具属性 - 配置JSON工具

名称	描述
JSON网址	要调用的网址。

图2：JSON工具属性 - 存储到表单

名称

描述

形成

目标表单来存储数据。

多行数据的基础JSON对象名称

包含要基于的数组的对象的名称。

字段映射

使用表单字段映射JSON数据。

名称	描述
字段名称	表单字段ID
JSON对象名称	JSON属性名称

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图3：JSON工具属性 - 存储到工作流变量

名称

描述

工作流变量映射

名称	描述
工作流变量	工作流程变量名称。
JSON对象名称	JSON属性名称。

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在图2和图3中，需要指定如何处理返回的数据。返回的数据可以保存为表单数据或/添加保存到流程的工作流程变量中。本文中使用的示例显示了如何将多行数据存储到表单数据表中。

示例JSON API： http：// localhost：8080

The JSON Tool enables one to issue a JSON webservice call and to save the returned data into Joget's form data or/and into the process's workflow variable.

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Figure 1: JSON Tool Properties - Configure JSON Tool

Name	Description
JSON URL	URL to be called.

...

Name

Description

Form

Target form to store data to.

Base JSON Object Name for Multirow Data

Name of the object that contains an array to be based on.

Field Mapping

Mapping with JSON data with Form fields.

Name	Description
Field Name	Form field ID
JSON Object Name	JSON property name

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Figure 3: JSON Tool Properties - Store to Workflow Variable

Name

Description

Workflow Variable Mapping

Name	Description
Workflow Variable	Workflow Variable Name.
JSON Object Name	JSON property name.

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In figure 2 and 3, one will need to specify on how to treat the returned data. The returned data may be saved as form data or/add to be saved into process's workflow variable. The example used in this article shows on how one can store multi-row data into a form data table.

Sample JSON API: http://localhost:8080 / jw / web / json / apps / published / userviewsSample JSON Result:

示例JSON结果：

Code Block

lang	javascript

{
    "apps": [{
        "id": "crm",
        "name": "CRM",
        "userviews": [{
            "id": "crm_userview_sales",
            "description": "",
            "name": "CRM: Sales Force Automation",
            "url": "/jw/web/userview/crm/crm_userview_sales",
            "version": 1
        }],
        "version": 1
    }, {
        "id": "hr_expense",
        "name": "HR Expenses Claim App",
        "userviews": [{
            "id": "hr_expense_userview",
            "description": "",
            "name": "HR Expenses Claim App for Admin",
            "url": "/jw/web/userview/hr_expense/hr_expense_userview",
            "version": 2
        }],
        "version": 2
    }, {
        "id": "isr",
        "name": "Internal Service Request",
        "userviews": [{
            "id": "isr",
            "description": "",
            "name": "Internal Service Request App",
            "url": "/jw/web/userview/isr/isr",
            "version": 1
        }],
        "version": 1
    }, {
        "id": "ims",
        "name": "Simple Invoicing",
        "userviews": [{
            "id": "ims",
            "name": "Simple Invoicing",
            "url": "/jw/web/userview/ims/ims",
            "version": 1
        }],
        "version": 1
    }]
}

Figure 4: Sample JSON data saved in Joget form data table图4：保存在Joget表单数据表中的示例JSON数据

您可以从You can download the test app from APP_json1-1-20151026181405.jwa.下载测试应用程序。

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