使用less编译出css引用自定义字体

@roboto-font-path: 'fonts';

.roboto-font(@type, @weight, @style) {
@font-face {
font-family: 'Roboto';
src: url('@{roboto-font-path}/Roboto-@{type}.ttf') format('truetype');
font-weight: @weight;
font-style: @style;
}
}

.roboto-font-one(@type, @weight, @style) {
.roboto-font('@{type}', @weight, @style);
}

.roboto-font-pair(@type, @weight) {
.roboto-font('@{type}', @weight, normal);
.roboto-font('@{type}Italic', @weight, italic);
}

.roboto-font-one('Italic', 200, italic);
.roboto-font-one('Regular', 400, normal);
.roboto-font-pair('Thin', 100);
.roboto-font-pair('Light', 300);
.roboto-font-pair('Medium', 500);
.roboto-font-pair('Bold', 700);
.roboto-font-pair('Black', 900);

@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Italic.ttf') format('truetype');
font-weight: 200;
font-style: italic;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Regular.ttf') format('truetype');
font-weight: 400;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Thin.ttf') format('truetype');
font-weight: 100;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-ThinItalic.ttf') format('truetype');
font-weight: 100;
font-style: italic;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Light.ttf') format('truetype');
font-weight: 300;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-LightItalic.ttf') format('truetype');
font-weight: 300;
font-style: italic;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Medium.ttf') format('truetype');
font-weight: 500;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-MediumItalic.ttf') format('truetype');
font-weight: 500;
font-style: italic;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Bold.ttf') format('truetype');
font-weight: 700;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-BoldItalic.ttf') format('truetype');
font-weight: 700;
font-style: italic;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-Black.ttf') format('truetype');
font-weight: 900;
font-style: normal;
}
@font-face {
font-family: 'Roboto';
src: url('fonts/Roboto-BlackItalic.ttf') format('truetype');
font-weight: 900;
font-style: italic;
}