QMacros 的宏支持传递参数，其参数的格式参照 JSON 执行，所以 QMacros 的参数支持 JSON 所有的数据类型：null、true/false、数值、字符串、对象和数组，字符串中内容的转义也遵守 JSON 的规则。
【注意】
如果 QMacros 调用 Complie 或 Replace 时，标志位指定了 MRF_ENABLE_ESCAPE，并同时指定了 MRF_IN_DBL_QUOTER 或MRF_IN_SINGLE_QUOTER 两者之一，则 JSON 中的字符串转义时，由于字符串中的\会被解析，所以造成直接被转义，所以一般建议参数中的字符串如果包含转义时，采用双反斜线，即 “a\r\nb” 应为 “a\\r\\nb”。
【示例】
下面是 QMacros 的 HTML 模板示例里的一段代码：
procedure TForm1.Button3Click(Sender: TObject);const STemplate: QStringW = '<html><head><title><%Title%></title></head>' + // '<body>多参数及转义示例<p>' + // '<%Info({"name":"QDAC","version":1.28,"copyright":"©QDAC team\t2016"},3.0)%>' + '</body>';var AMacros: TQMacroManager; AHtmlFile: String;begin AMacros := TQMacroManager.Create; try AMacros.Push('Title', 'QMacros HTML 模板示例'); AMacros.Push('Info', DoPrintInfo); AHtmlFile := ExtractFilePath(Application.ExeName) + 'index.html'; SaveTextW(AHtmlFile, AMacros.Replace(STemplate, '<%', '%>', MRF_PARSE_PARAMS)); WebBrowser1.Navigate('file:///' + StringReplaceW(AHtmlFile, '\', '/', [rfReplaceAll])); finally FreeAndNil(AMacros); end;end; 其中的 Info 宏提供了两个参数：
- 一个 JSON 格式的对象作为第一个参数： {“name”:”QDAC”,”version”:1.28,”copyright”:”©QDAC team\t2016″}
- 一个浮点值作为第二个参数： 3.0
我们看下 DoPrintInfo 宏的实现：
procedure TForm1.DoPrintInfo(AMacro: TQMacroItem; const AQuoter: QCharW);beginAMacro.Value.Value:='QMacros '+AMacro.Params[1].AsString+'<BR/>';with AMacro.Params[0] do begin AMacro.Value.Value:=AMacro.Value.Value+'工程名称:'+ValueByName('name','')+'<BR/>'+ '版本号:'+ValueByName('version','')+'<BR/>'+ '版权：'+ValueByName('copyright',''); end;end; AMacro 是要赋值的宏对象，我们赋值时，将结果指定到 AMacro.Value.Value 上就可以。AMacro.Params 是一个 TQJson 数组类型的对象，我们可以完全按照 QJson 的用法，使用宏传递过来的参数，在些就不再缀述了。
上面的示例的实际运行效果：
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