node.js车把错误:缺少助手：“比较”

Question

当我运行这个代码来比较值时，如果它大于一个，我就会得到这个错误。

{{#compare pageCount ">" 1 }}
  <ul class="pagination"><­/ul>
    {{#compare currentPage ">" 1 }}

       <li><a href="/?page=1"> &laquo;</a></li>
    {{/compare}}

{{/compare}}

我用node.js安装了车把，并对其进行了测试，但是当我使用比较散列时总是会得到这个错误。

错误:缺少助手：“比较”对象。(/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/handlebars/dist/cjs/handlebars/helpers/helper-missing.js:19:13) at Object.eval (eval at createFunctionContext (/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js:254:23)，) :8:91)主楼(/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/handlebars/dist/cjs/handlebars/runtime.js:175:32) at ret (/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/handlebars/dist/cjs/handlebars/runtime.js:178:12)在(/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/handlebars/dist/cjs/handlebars/compiler/compiler.js:525:21) at ExpressHandlebars._renderTemplate (/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/express-handlebars/lib/express-handlebars.js:247:12) at ExpressHandlebars。(/opt/lampp/htdocs/x/chessMult/regtest/using-passport-with-sequelize-and-mysql-master/node_modules/express-handlebars/lib/express-handlebars.js:173:21)

Answer 1

您必须使用Handlebars.registerHelper制作自定义助手，您可以检查完整的文档，以了解如何注册自定义助手以便能够在模板中使用它。