继（太长了）

function buildStyle2(inputText,booleanRepeat) {
    var newline = false; var line0 = ""; var line1 = ""; var line2 = ""; var line3 = ""; var line4 = ""; var line5 = ""; var space = "     "; var a = new Array(6); var b = new Array(6); var c = new Array(6); var d = new Array(6); var e = new Array(6); var f = new Array(6); var g = new Array(6); var h = new Array(6); var I = new Array(6); var j = new Array(6); var k = new Array(6); var l = new Array(6); var m = new Array(6); var n = new Array(6); var o = new Array(6); var p = new Array(6); var q = new Array(6); var r = new Array(6); var s = new Array(6); var t = new Array(6); var u = new Array(6); var v = new Array(6); var w = new Array(6); var x = new Array(6); var y = new Array(6); var z = new Array(6); var zero = new Array(6); var one = new Array(6); var two = new Array(6); var three = new Array(6); var four = new Array(6); var five = new Array(6); var six = new Array(6); var seven = new Array(6); var eight = new Array(6); var nine = new Array(6);
    a[0] = "     ___  ";        a[1] = "    /   | ";        a[2] = "   / /| | ";        a[3] = "  / / | | ";        a[4] = " / /  | | ";        a[5] = "/_/   |_| ";
    b[0] = " _____  ";        b[1] = "|  _  \ ";        b[2] = "| |_| | ";        b[3] = "|  _  { ";        b[4] = "| |_| | ";        b[5] = "|_____/ ";
    c[0] = " _____  ";        c[1] = "/  ___| ";        c[2] = "| |     ";        c[3] = "| |     ";        c[4] = "| |___  ";        c[5] = "\_____| ";
    d[0] = " _____  ";        d[1] = "|  _  \ ";        d[2] = "| | | | ";        d[3] = "| | | | ";        d[4] = "| |_| | ";        d[5] = "|_____/ ";
    e[0] = " _____  ";        e[1] = "| ____| ";        e[2] = "| |__   ";        e[3] = "|  __|  ";        e[4] = "| |___  ";        e[5] = "|_____| ";
    f[0] = " _____  ";        f[1] = "|  ___| ";        f[2] = "| |__   ";        f[3] = "|  __|  ";        f[4] = "| |     ";        f[5] = "|_|     ";
    g[0] = " _____  ";        g[1] = "/  ___| ";        g[2] = "| |     ";        g[3] = "| |  _  ";        g[4] = "| |_| | ";        g[5] = "\_____/ ";
    h[0] = " _   _  ";        h[1] = "| | | | ";        h[2] = "| |_| | ";        h[3] = "|  _  | ";        h[4] = "| | | | ";        h[5] = "|_| |_| ";
    I[0] = " _  ";            I[1] = "| | ";            I[2] = "| | ";            I[3] = "| | ";            I[4] = "| | ";            I[5] = "|_| ";
    j[0] = "     _  ";        j[1] = "    | | ";        j[2] = "    | | ";        j[3] = " _  | | ";        j[4] = "| |_| | ";        j[5] = "\_____/ ";
    k[0] = " _   _   ";        k[1] = "| | / /  ";        k[2] = "| |/ /   ";        k[3] = "| |\ \   ";        k[4] = "| | \ \  ";        k[5] = "|_|  \_\ ";
    l[0] = " _      ";        l[1] = "| |     ";        l[2] = "| |     ";        l[3] = "| |     ";        l[4] = "| |___  ";        l[5] = "|_____| ";
    m[0] = "     ___  ___  ";    m[1] = "    /   |/   | ";    m[2] = "   / /|   /| | ";    m[3] = "  / / |__/ | | ";    m[4] = " / /       | | ";    m[5] = "/_/        |_| ";
    n[0] = " __   _  ";        n[1] = "|  \ | | ";        n[2] = "|   \| | ";        n[3] = "| |\   | ";        n[4] = "| | \  | ";        n[5] = "|_|  \_| ";
    o[0] = " _____  ";        o[1] = "/  _  \ ";        o[2] = "| | | | ";        o[3] = "| | | | ";        o[4] = "| |_| | ";        o[5] = "\_____/ ";
    p[0] = " _____  ";        p[1] = "|  _  \ ";        p[2] = "| |_| | ";        p[3] = "|  ___/ ";        p[4] = "| |     ";        p[5] = "|_|     ";
    q[0] = " _____    ";        q[1] = "/  _  \   ";        q[2] = "| | | |   ";        q[3] = "| | | |   ";        q[4] = "| |_| |_  ";        q[5] = "\_______| ";
    r[0] = " _____   ";        r[1] = "|  _  \  ";        r[2] = "| |_| |  ";        r[3] = "|  _  /  ";        r[4] = "| | \ \  ";        r[5] = "|_|  \_\ ";
    s[0] = " _____  ";        s[1] = "/  ___/ ";        s[2] = "| |___  ";        s[3] = "\___  \ ";        s[4] = " ___| | ";        s[5] = "/_____/ ";
    t[0] = " _____  ";        t[1] = "|_   _| ";        t[2] = "  | |   ";        t[3] = "  | |   ";        t[4] = "  | |   ";        t[5] = "  |_|   ";
    u[0] = " _   _  ";        u[1] = "| | | | ";        u[2] = "| | | | ";        u[3] = "| | | | ";        u[4] = "| |_| | ";        u[5] = "\_____/ ";
    v[0] = " _     _  ";        v[1] = "| |   / / ";        v[2] = "| |  / /  ";        v[3] = "| | / /   ";        v[4] = "| |/ /    ";        v[5] = "|___/     ";
    w[0] = " _          __ ";    w[1] = "| |        / / ";    w[2] = "| |  __   / /  ";    w[3] = "| | /  | / /   ";    w[4] = "| |/   |/ /    ";    w[5] = "|___/|___/     ";
    x[0] = "__    __ ";        x[1] = "\ \  / / ";        x[2] = " \ \/ /  ";        x[3] = "  }  {   ";        x[4] = " / /\ \  ";        x[5] = "/_/  \_\ ";
    y[0] = "__    __ ";        y[1] = "\ \  / / ";        y[2] = " \ \/ /  ";        y[3] = "  \  /   ";        y[4] = "  / /    ";        y[5] = " /_/     ";
    z[0] = " ______ ";        z[1] = "|___  / ";        z[2] = "   / /  ";        z[3] = "  / /   ";        z[4] = " / /__  ";        z[5] = "/_____| ";
    zero[0] = " _____  ";        zero[1] = "/  _  \ ";        zero[2] = "| | | | ";        zero[3] = "| |/| | ";        zero[4] = "| |_| | ";        zero[5] = "\_____/ ";
    one[0] = " ___  ";        one[1] = "|_  | ";        one[2] = "  | | ";        one[3] = "  | | ";        one[4] = "  | | ";        one[5] = "  |_| ";
    two[0] = " _____  ";        two[1] = "/___  \ ";        two[2] = " ___| | ";        two[3] = "/  ___/ ";        two[4] = "| |___  ";        two[5] = "|_____| ";
    three[0] = " _____  ";        three[1] = "|___  | ";        three[2] = "   _| | ";        three[3] = "  |_  { ";        three[4] = " ___| | ";        three[5] = "|_____/ ";
    four[0] = " _   _  ";        four[1] = "| | | | ";        four[2] = "| |_| | ";        four[3] = "\___  | ";        four[4] = "    | | ";        four[5] = "    |_| ";
    five[0] = " _____  ";        five[1] = "|  ___| ";        five[2] = "| |___  ";        five[3] = "\___  \ ";        five[4] = " ___| | ";        five[5] = "\_____| ";
    six[0] = " _____  ";        six[1] = "/  ___| ";        six[2] = "| |___  ";        six[3] = "|  _  \ ";        six[4] = "| |_| | ";        six[5] = "\_____/ ";
    seven[0] = " _____  ";        seven[1] = "|___  | ";        seven[2] = "    / / ";        seven[3] = "   / /  ";        seven[4] = "  / /   ";        seven[5] = " /_/    ";
    eight[0] = " _____  ";        eight[1] = "/  _  \ ";        eight[2] = "| |_| | ";        eight[3] = "}  _  { ";        eight[4] = "| |_| | ";        eight[5] = "\_____/ ";
    nine[0] = " _____  ";        nine[1] = "/  _  \ ";        nine[2] = "| |_| | ";        nine[3] = "\___  | ";        nine[4] = " ___| | ";        nine[5] = "|_____/ ";

    for(i=0; i < inputText.length; i++) {
        if(inputText.charAt(i) == " ") {line0 += space;     line1 += space;     line2 += space;     line3 += space;        line4 += space;             line5 += space}
        if(inputText.charAt(i) == "a") {line0 += a[0];         line1 += a[1];        line2 += a[2];         line3 += a[3];        line4 += a[4];            line5 += a[5]}
        if(inputText.charAt(i) == "b") {line0 += b[0];         line1 += b[1];         line2 += b[2];         line3 += b[3];        line4 += b[4];            line5 += b[5]}
        if(inputText.charAt(i) == "c") {line0 += c[0];         line1 += c[1];         line2 += c[2];         line3 += c[3];        line4 += c[4];            line5 += c[5]}
        if(inputText.charAt(i) == "d") {line0 += d[0];         line1 += d[1];         line2 += d[2];         line3 += d[3];        line4 += d[4];            line5 += d[5]}
        if(inputText.charAt(i) == "e") {line0 += e[0];         line1 += e[1];         line2 += e[2];         line3 += e[3];        line4 += e[4];            line5 += e[5]}
        if(inputText.charAt(i) == "f") {line0 += f[0];         line1 += f[1];         line2 += f[2];         line3 += f[3];        line4 += f[4];            line5 += f[5]}
        if(inputText.charAt(i) == "g") {line0 += g[0];         line1 += g[1];         line2 += g[2];         line3 += g[3];        line4 += g[4];            line5 += g[5]}
        if(inputText.charAt(i) == "h") {line0 += h[0];         line1 += h[1];         line2 += h[2];         line3 += h[3];        line4 += h[4];            line5 += h[5]}
        if(inputText.charAt(i) == "i") {line0 += I[0];         line1 += I[1];         line2 += I[2];         line3 += I[3];        line4 += I[4];            line5 += I[5]}
        if(inputText.charAt(i) == "j") {line0 += j[0];         line1 += j[1];         line2 += j[2];         line3 += j[3];        line4 += j[4];            line5 += j[5]}
        if(inputText.charAt(i) == "k") {line0 += k[0];         line1 += k[1];        line2 += k[2];         line3 += k[3];        line4 += k[4];            line5 += k[5]}
        if(inputText.charAt(i) == "l") {line0 += l[0];         line1 += l[1];         line2 += l[2];         line3 += l[3];        line4 += l[4];            line5 += l[5]}
        if(inputText.charAt(i) == "m") {line0 += m[0];         line1 += m[1];         line2 += m[2];         line3 += m[3];        line4 += m[4];            line5 += m[5]}
        if(inputText.charAt(i) == "n") {line0 += n[0];         line1 += n[1];         line2 += n[2];         line3 += n[3];        line4 += n[4];            line5 += n[5]}
        if(inputText.charAt(i) == "o") {line0 += o[0];         line1 += o[1];         line2 += o[2];         line3 += o[3];        line4 += o[4];            line5 += o[5]}
        if(inputText.charAt(i) == "p") {line0 += p[0];         line1 += p[1];         line2 += p[2];         line3 += p[3];        line4 += p[4];            line5 += p[5]}
        if(inputText.charAt(i) == "q") {line0 += q[0];         line1 += q[1];         line2 += q[2];         line3 += q[3];        line4 += q[4];            line5 += q[5]}
        if(inputText.charAt(i) == "r") {line0 += r[0];         line1 += r[1];         line2 += r[2];         line3 += r[3];        line4 += r[4];            line5 += r[5]}
        if(inputText.charAt(i) == "s") {line0 += s[0];         line1 += s[1];         line2 += s[2];         line3 += s[3];        line4 += s[4];            line5 += s[5]}
        if(inputText.charAt(i) == "t") {line0 += t[0];         line1 += t[1];         line2 += t[2];         line3 += t[3];        line4 += t[4];            line5 += t[5]}
        if(inputText.charAt(i) == "u") {line0 += u[0];         line1 += u[1];         line2 += u[2];         line3 += u[3];        line4 += u[4];            line5 += u[5]}
        if(inputText.charAt(i) == "v") {line0 += v[0];         line1 += v[1];         line2 += v[2];         line3 += v[3];        line4 += v[4];            line5 += v[5]}
        if(inputText.charAt(i) == "w") {line0 += w[0];         line1 += w[1];         line2 += w[2];         line3 += w[3];        line4 += w[4];            line5 += w[5]}
        if(inputText.charAt(i) == "x") {line0 += x[0];         line1 += x[1];         line2 += x[2];         line3 += x[3];        line4 += x[4];            line5 += x[5]}
        if(inputText.charAt(i) == "y") {line0 += y[0];         line1 += y[1];         line2 += y[2];         line3 += y[3];        line4 += y[4];            line5 += y[5]}
        if(inputText.charAt(i) == "z") {line0 += z[0];         line1 += z[1];         line2 += z[2];         line3 += z[3];        line4 += z[4];            line5 += z[5]}
        if(inputText.charAt(i) == "0") {line0 += zero[0];     line1 += zero[1];     line2 += zero[2];     line3 += zero[3];    line4 += zero[4];        line5 += zero[5]}
        if(inputText.charAt(i) == "1") {line0 += one[0];     line1 += one[1];     line2 += one[2];     line3 += one[3];    line4 += one[4];        line5 += one[5]}
        if(inputText.charAt(i) == "2") {line0 += two[0];     line1 += two[1];     line2 += two[2];     line3 += two[3];    line4 += two[4];        line5 += two[5]}
        if(inputText.charAt(i) == "3") {line0 += three[0];    line1 += three[1];    line2 += three[2];     line3 += three[3];    line4 += three[4];        line5 += three[5]}
        if(inputText.charAt(i) == "4") {line0 += four[0];     line1 += four[1];     line2 += four[2];     line3 += four[3];    line4 += four[4];        line5 += four[5]}
        if(inputText.charAt(i) == "5") {line0 += five[0];     line1 += five[1];     line2 += five[2];     line3 += five[3];    line4 += five[4];        line5 += five[5]}
        if(inputText.charAt(i) == "6") {line0 += six[0];     line1 += six[1];     line2 += six[2];     line3 += six[3];    line4 += six[4];        line5 += six[5]}
        if(inputText.charAt(i) == "7") {line0 += seven[0];    line1 += seven[1];    line2 += seven[2];     line3 += seven[3];    line4 += seven[4];        line5 += seven[5]}
        if(inputText.charAt(i) == "8") {line0 += eight[0];    line1 += eight[1];    line2 += eight[2];     line3 += eight[3];    line4 += eight[4];        line5 += eight[5]}
        if(inputText.charAt(i) == "9") {line0 += nine[0];     line1 += nine[1];     line2 += nine[2];     line3 += nine[3];    line4 += nine[4];        line5 += nine[5]}
        if(inputText.substring(i,(i+2)) == "\n") {var newline = true; break}
    }
    if(newline) {
        var outputText = line0+" "+line1+" "+line2+" "+line3+" "+line4+" "+line5;
        document.ascii.outputField.value = outputText;
        buildStyle2(inputText.substring((i+2),inputText.length),1);
    } else {
        var outputText = line0+" "+line1+" "+line2+" "+line3+" "+line4+" "+line5;
        if(booleanRepeat) {document.ascii.outputField.value += " "+outputText}
        else {document.ascii.outputField.value = outputText}
    }
}

原文转自：http://www.ltesting.net