报错代码：

// An highlighted block
 911:17  error  Unexpected trailing comma  comma-dangle
   922:19  error  Unexpected trailing comma  comma-dangle
   939:28  error  Unexpected trailing comma  comma-dangle
   944:66  error  Unexpected trailing comma  comma-dangle
   947:66  error  Unexpected trailing comma  comma-dangle
   950:66  error  Unexpected trailing comma  comma-dangle
   953:66  error  Unexpected trailing comma  comma-dangle
   956:66  error  Unexpected trailing comma  comma-dangle
   958:71  error  Unexpected trailing comma  comma-dangle
   974:28  error  Unexpected trailing comma  comma-dangle
   979:67  error  Unexpected trailing comma  comma-dangle
   982:66  error  Unexpected trailing comma  comma-dangle
   985:66  error  Unexpected trailing comma  comma-dangle
   988:66  error  Unexpected trailing comma  comma-dangle
   991:66  error  Unexpected trailing comma  comma-dangle
   993:71  error  Unexpected trailing comma  comma-dangle
   999:23  error  Unexpected trailing comma  comma-dangle
  1006:23  error  Unexpected trailing comma  comma-dangle
  1030:65  error  Unexpected trailing comma  comma-dangle
  1033:65  error  Unexpected trailing comma  comma-dangle
  1034:10  error  Unexpected trailing comma  comma-dangle
  1035:8   error  Unexpected trailing comma  comma-dangle
  1093:38  error  Unexpected trailing comma  comma-dangle
  1097:37  error  Unexpected trailing comma  comma-dangle
  1124:28  error  Unexpected trailing comma  comma-dangle
  1132:38  error  Unexpected trailing comma  comma-dangle
  1136:37  error  Unexpected trailing comma  comma-dangle
  .....

这种情况是由于vscode格式化vue代码的时候，会在下面代码的最后多加了一个逗号，导致过不了eslint的js格式化要求，所以报错。

addReportForm: {
        referenceValueId: '',
        reporterId: '',
        reviewerId: '', ///这里多加了一个逗号
}

解决方案是：
1、不要用vue的格式化代码
2、配置eslint格式化vue代码
见链接：https://blog.csdn.net/SHUIYI_24/article/details/108234505.
最后vscode的配置如下：

{
    "editor.fontSize": 25,
    "workbench.startupEditor": "newUntitledFile",
    "explorer.confirmDelete": false,
    "workbench.iconTheme": "vscode-great-icons",
    "workbench.sideBar.location": "right",
    "[javascript]": {
        "editor.defaultFormatter": "vscode.typescript-language-features"
    },
    "java.semanticHighlighting.enabled": true,
    "files.exclude": {
        "**/.classpath": true,
        "**/.project": true,
        "**/.settings": true,
        "**/.factorypath": true
    },
    "[html]": {
        "editor.defaultFormatter": "HookyQR.beautify"
    },
    "git.ignoreWindowsGit27Warning": true,
    "eslint.codeAction.showDocumentation": {
        // 每次保存的时候自动格式化 
        "editor.formatOnSave": true,
        // 每次保存的时候将代码按eslint格式进行修复
        "eslint.autoFixOnSave": true,
        // 添加 vue 支持
        "eslint.validate": [
            "javascript",
            "javascriptreact",
            {
                "language": "html",
                "autoFix": true
            },
            {
                "language": "vue",
                "autoFix": true
            }
        ],
        // 让函数(名)和后面的括号之间加个空格
        // "javascript.format.insertSpaceBeforeFunctionParenthesis": false,
        // html格式化，这个按用户自身习惯选择 
        "vetur.format.defaultFormatter.html": "js-beautify-html",
        // 让vue中的js按编辑器自带的ts格式进行格式化 
        "vetur.format.defaultFormatter.js": "vscode-typescript",
        "vetur.format.defaultFormatterOptions": {
            "js-beautify-html": {
                "wrap_attributes": "auto" //根据喜欢的格式 force-aligned:标签属性换行  auto:标签属性不换行
                // vue组件中html代码格式化样式
            }
        },
        "search.exclude": {
            "**/node_modules": true,
            "**/bower_components": true,
            "**/dist": true
        },
        "emmet.syntaxProfiles": {
            "javascript": "jsx",
            "vue": "html",
            "vue-html": "html"
        },
        //autoFixedOnSave 设置已废弃，采用如下新的设置
        "editor.codeActionsOnSave": {
            "source.fixAll.eslint": true
        },
        "eslint.format.enable": true,
        //autoFix默认开启，只需输入字符串数组即可
        "eslint.validate": [
            "javascript",
            "vue",
            "html"
        ],
        "enable": true
    }
}