小编Sob*_*ana的帖子

[17:05:22] I/launcher – Running 1 instances of WebDriver 
[17:05:22] I/direct – Using ChromeDriver directly… [17:05:22] E/direct – Error code: 135  
[17:05:22] E/direct – Error message: Could not find update-config.json. Run ‘webdriver-manager update’ to download binaries.  
[17:05:22] E/direct – Error: Could not find update-config.json. Run ‘webdriver-manager update’ to download binaries. at Direct.getNewDriver (C:automationDemoprotractor-jasmine-typescriptnode_modulesprotractorbuiltdriverProvidersdirect.js:63:31)    at Runner.createBrowser (C:automationDemoprotractor-jasmine-typescriptnode_modulesprotractorbuiltrunner.js:195:43) at q.then.then (C:automationDemoprotractor-jasmine-typescriptnode_modulesprotractorbuiltrunner.js:339:29) at _fulfilled (C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:834:54) at self.promiseDispatch.done (C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:863:30) at Promise.promise.promiseDispatch (C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:796:13) at C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:556:49 at runSingle (C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:137:13) at flush (C:automationDemoprotractor-jasmine-typescriptnode_modulesqq.js:125:13) at _combinedTickCallback (internal/process/next_tick.js:131:7)  
[17:05:22] E/launcher …

我正在尝试从 json 数组中提取最后一个 id。下面提到的是json数组

 [
 {
    "userInfo": {
      "email": "jmeter1 @gmail.com",
      "userName": " jmeter1"
    },
    "id": "2e13f399-5b51-13f0-05b2-623c726eaka1"
  },
{
    "userInfo": {
      "email": " jmeter2@gmail.com ",
      "userName": " jmeter2"
    },
    "id": "3e13f399-5b51-13f0-05b2-623c726eaga2"
  },
{
    "userInfo": {
      "email": " jmeter3 @gmail.com ",
      "userName": " jmeter3"
    },
    "id": "4e13f399-5b51-13f0-05b2-623c726eaha3"
  },
{
    "userInfo": {
      "email": " jmeter4 @gmail.com ",
      "userName": " jmeter4"
    },
    "id": "5e13f399-5b51-13f0-05b2-623c726eafa0"
  }
]

` 从上面的 json 我想提取值，即。ID：“5e13f399-5b51-13f0-05b2-623c726eafa0”。