1.安装LaTeX Workshop插件

2.配置环境

• 按照下图进行操作：
  
• 在打开的settings.json中加入如下代码（ 每行代码的含义见附录中的.json代码详解 ）：

"latex-workshop.latex.autoBuild.run": "never",
    "latex-workshop.showContextMenu": true,
    "latex-workshop.intellisense.package.enabled": true,
    "latex-workshop.message.error.show": false,
    "latex-workshop.message.warning.show": false,
    "latex-workshop.latex.tools": [
        {
            "name": "xelatex",
            "command": "xelatex",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "%DOCFILE%"
            ]
        },
        {
            "name": "pdflatex",
            "command": "pdflatex",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "%DOCFILE%"
            ]
        },
        {
            "name": "latexmk",
            "command": "latexmk",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "-pdf",
                "-outdir=%OUTDIR%",
                "%DOCFILE%"
            ]
        },
        {
            "name": "bibtex",
            "command": "bibtex",
            "args": [
                "%DOCFILE%"
            ]
        }
    ],
    "latex-workshop.latex.recipes": [
        {
            "name": "XeLaTeX",
            "tools": [
                "xelatex"
            ]
        },
        {
            "name": "PDFLaTeX",
            "tools": [
                "pdflatex"
            ]
        },
        {
            "name": "BibTeX",
            "tools": [
                "bibtex"
            ]
        },
        {
            "name": "LaTeXmk",
            "tools": [
                "latexmk"
            ]
        },
        {
            "name": "xelatex -> bibtex -> xelatex*2",
            "tools": [
                "xelatex",
                "bibtex",
                "xelatex",
                "xelatex"
            ]
        },
        {
            "name": "pdflatex -> bibtex -> pdflatex*2",
            "tools": [
                "pdflatex",
                "bibtex",
                "pdflatex",
                "pdflatex"
            ]
        },
    ],
    "latex-workshop.latex.clean.fileTypes": [
        "*.aux",
        "*.bbl",
        "*.blg",
        "*.idx",
        "*.ind",
        "*.lof",
        "*.lot",
        "*.out",
        "*.toc",
        "*.acn",
        "*.acr",
        "*.alg",
        "*.glg",
        "*.glo",
        "*.gls",
        "*.ist",
        "*.fls",
        "*.log",
        "*.fdb_latexmk"
    ],
    "latex-workshop.latex.autoClean.run": "onFailed",
    "latex-workshop.latex.recipe.default": "lastUsed",
    "latex-workshop.view.pdf.internal.synctex.keybinding": "double-click",
    "latex-workshop.view.pdf.viewer": "tab"

• 加完后的settings.json如下所示：
  

• 加按下图所示编译运行即可：

3.字数统计插件

安装LaTeX Utilities插件

安装完成后，重启vscode即可在左下角看到字数统计，如下所示：

附录

.json代码详解

	//never：手动编译文档  onSave：代码保存时自动编译文档  onFileChange：代码被更改就自动编译文档
    "latex-workshop.latex.autoBuild.run": "never",
    //true：启用编译文档的右键菜单  false：关闭编译文档的右键菜单
    "latex-workshop.showContextMenu": true,
    //true：代码自动补全  false：关闭代码自动补全
    "latex-workshop.intellisense.package.enabled": true,
    //true：编译错误时弹出错误弹窗  false：编译错误时不弹出错误弹窗
    "latex-workshop.message.error.show": false,
    //true：弹出警告弹窗  false：不弹出警告弹窗
    "latex-workshop.message.warning.show": false,
    //以下代码是在下文中recipes编译链中所使用的编译命令，保持默认即可；其中的%DOCFILE可更改为%DOC
    //%DOCFILE代表文件所在路径可以包含中文，%DOC表面文件路径不能包含中文
    "latex-workshop.latex.tools": [
        {
            "name": "xelatex",
            "command": "xelatex",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "%DOCFILE%"
            ]
        },
        {
            "name": "pdflatex",
            "command": "pdflatex",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "%DOCFILE%"
            ]
        },
        {
            "name": "latexmk",
            "command": "latexmk",
            "args": [
                "-synctex=1",
                "-interaction=nonstopmode",
                "-file-line-error",
                "-pdf",
                "-outdir=%OUTDIR%",
                "%DOCFILE%"
            ]
        },
        {
            "name": "bibtex",
            "command": "bibtex",
            "args": [
                "%DOCFILE%"
            ]
        }
    ],
    //以下代码是对编译链进行定义，也就是工具栏中出现的链名称
    //PDFLaTeX 使用的是TeX的标准字体，会对非TeX 标准字体进行替换；
    //XeLaTeX 允许用户使用操作系统字体来代替 TeX 的标准字体； 
    //PDFLaTeX 的编译的速度较XeLaTeX 快；
    //编译链是为了方便编译，若设计到.bib文件，就需要用不同的编译命令，而编译链可以方便的解决该问题
    "latex-workshop.latex.recipes": [
        {
            "name": "XeLaTeX",
            "tools": [
                "xelatex"
            ]
        },
        {
            "name": "PDFLaTeX",
            "tools": [
                "pdflatex"
            ]
        },
        {
            "name": "BibTeX",
            "tools": [
                "bibtex"
            ]
        },
        {
            "name": "LaTeXmk",
            "tools": [
                "latexmk"
            ]
        },
        {
            "name": "xelatex -> bibtex -> xelatex*2",
            "tools": [
                "xelatex",
                "bibtex",
                "xelatex",
                "xelatex"
            ]
        },
        {
            "name": "pdflatex -> bibtex -> pdflatex*2",
            "tools": [
                "pdflatex",
                "bibtex",
                "pdflatex",
                "pdflatex"
            ]
        },
    ],
    //以下代码是设置编译完成后需要清除的辅助文件类型
    "latex-workshop.latex.clean.fileTypes": [
        "*.aux",
        "*.bbl",
        "*.blg",
        "*.idx",
        "*.ind",
        "*.lof",
        "*.lot",
        "*.out",
        "*.toc",
        "*.acn",
        "*.acr",
        "*.alg",
        "*.glg",
        "*.glo",
        "*.gls",
        "*.ist",
        "*.fls",
        "*.log",
        "*.fdb_latexmk"
    ],
    //never : 永不清除辅助文件  onFailed : 编译失败时清除辅助文件  onBuilt : 无论是否编译成功均清除辅助文件
    "latex-workshop.latex.autoClean.run": "onFailed",
    //选择默认的编译链  
    //first：采用latex-workshop.latex.recipes中的第一条编译链
    //lastUsed：采用最近一次的编译链
    "latex-workshop.latex.recipe.default": "lastUsed",
    //用于点击pdf文件的指定位置即可跳转到tex文件中代码对应的位置
    //ctrl-click：Ctrl+鼠标左键单击
    //double-click：鼠标左键双击
    "latex-workshop.view.pdf.internal.synctex.keybinding": "double-click",
    //browser：外置浏览器显示PDF
    //tab:vscode内置浏览器显示PDF
    "latex-workshop.view.pdf.viewer": "tab"