json 入门指南.mht

eclipse 中文教程 实用 word 版本

 street:Chaoyang Road=20
 =
postcode:100025=EF=BC=88=E6=95=B4=E6=95=B0=EF=BC=89</PRE></TD></TR></TBOD=
Y></TABLE><BR>
            <P>=E7=94=A8 JSON =
=E8=A1=A8=E7=A4=BA=E5=A6=82=E4=B8=8B=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE =
class=3Ddisplaycode>{"city":"Beijing","street":" Chaoyang Road =
","postcode":100025}</PRE></TD></TR></TBODY></TABLE><BR>
            <P>=E5=85=B6=E4=B8=AD Value =
=E4=B9=9F=E5=8F=AF=E4=BB=A5=E6=98=AF=E5=8F=A6=E4=B8=80=E4=B8=AA Object =
=E6=88=96=E8=80=85=E6=95=B0=E7=BB=84=EF=BC=8C=E5=9B=A0=E6=AD=A4=EF=BC=8C=E5=
=A4=8D=E6=9D=82=E7=9A=84 Object =
=E5=8F=AF=E4=BB=A5=E5=B5=8C=E5=A5=97=E8=A1=A8=E7=A4=BA=EF=BC=8C=E4=BE=8B=E5=
=A6=82=EF=BC=8C=E4=B8=80=E4=B8=AA Person=20
            =E5=AF=B9=E8=B1=A1=E5=8C=85=E5=90=AB name =E5=92=8C address =
=E5=AF=B9=E8=B1=A1=EF=BC=8C=E5=8F=AF=E4=BB=A5=E8=A1=A8=E7=A4=BA=E5=A6=82=E4=
=B8=8B=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE =
class=3Ddisplaycode>{"name":"Michael","address":
    {"city":"Beijing","street":" Chaoyang Road ","postcode":100025}
}</PRE></TD></TR></TBODY></TABLE><BR>
            <P><A name=3DN1010D><SPAN class=3Datitle>JavaScript =
=E5=A4=84=E7=90=86 JSON =E6=95=B0=E6=8D=AE=20
            </SPAN></A></P>
            =
<P>=E4=B8=8A=E9=9D=A2=E4=BB=8B=E7=BB=8D=E4=BA=86=E5=A6=82=E4=BD=95=E7=94=A8=
 JSON =
=E8=A1=A8=E7=A4=BA=E6=95=B0=E6=8D=AE=EF=BC=8C=E6=8E=A5=E4=B8=8B=E6=9D=A5=EF=
=BC=8C=E6=88=91=E4=BB=AC=E8=BF=98=E8=A6=81=E8=A7=A3=E5=86=B3=E5=A6=82=E4=BD=
=95=E5=9C=A8=E6=9C=8D=E5=8A=A1=E5=99=A8=E7=AB=AF=E7=94=9F=E6=88=90 JSON=20
            =
=E6=A0=BC=E5=BC=8F=E7=9A=84=E6=95=B0=E6=8D=AE=E4=BB=A5=E4=BE=BF=E5=8F=91=E9=
=80=81=E5=88=B0=E5=AE=A2=E6=88=B7=E7=AB=AF=EF=BC=8C=E4=BB=A5=E5=8F=8A=E5=AE=
=A2=E6=88=B7=E7=AB=AF=E5=A6=82=E4=BD=95=E4=BD=BF=E7=94=A8 JavaScript =
=E5=A4=84=E7=90=86 JSON =
=E6=A0=BC=E5=BC=8F=E7=9A=84=E6=95=B0=E6=8D=AE=E3=80=82 </P>
            =
<P>=E6=88=91=E4=BB=AC=E5=85=88=E8=AE=A8=E8=AE=BA=E5=A6=82=E4=BD=95=E5=9C=A8=
 Web =E9=A1=B5=E9=9D=A2=E4=B8=AD=E7=94=A8 JavaScript =E5=A4=84=E7=90=86 =
JSON =
=E6=95=B0=E6=8D=AE=E3=80=82=E6=88=91=E4=BB=AC=E9=80=9A=E8=BF=87=E4=B8=80=E4=
=B8=AA=E7=AE=80=E5=8D=95=E7=9A=84 JavaScript=20
            =
=E6=96=B9=E6=B3=95=E5=B0=B1=E8=83=BD=E7=9C=8B=E5=88=B0=E5=AE=A2=E6=88=B7=E7=
=AB=AF=E5=A6=82=E4=BD=95=E5=B0=86 JSON =
=E6=95=B0=E6=8D=AE=E8=A1=A8=E7=A4=BA=E7=BB=99=E7=94=A8=E6=88=B7=EF=BC=9A<=
/P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE =
class=3Ddisplaycode>function handleJson() {=20
  var j=3D{"name":"Michael","address":
      {"city":"Beijing","street":" Chaoyang Road ","postcode":100025}
  };=20
  document.write(j.name);=20
  document.write(j.address.city);=20
 }</PRE></TD></TR></TBODY></TABLE><BR>
            =
<P>=E5=81=87=E5=AE=9A=E6=9C=8D=E5=8A=A1=E5=99=A8=E8=BF=94=E5=9B=9E=E7=9A=84=
 JSON =
=E6=95=B0=E6=8D=AE=E6=98=AF=E4=B8=8A=E6=96=87=E7=9A=84=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE =
class=3Ddisplaycode>{"name":"Michael","address":
    {"city":"Beijing","street":" Chaoyang Road ","postcode":100025}
}</PRE></TD></TR></TBODY></TABLE><BR>
            =
<P>=E5=8F=AA=E9=9C=80=E5=B0=86=E5=85=B6=E8=B5=8B=E5=80=BC=E7=BB=99=E4=B8=80=
=E4=B8=AA JavaScript =
=E5=8F=98=E9=87=8F=EF=BC=8C=E5=B0=B1=E5=8F=AF=E4=BB=A5=E7=AB=8B=E5=88=BB=E4=
=BD=BF=E7=94=A8=E8=AF=A5=E5=8F=98=E9=87=8F=E5=B9=B6=E6=9B=B4=E6=96=B0=E9=A1=
=B5=E9=9D=A2=E4=B8=AD=E7=9A=84=E4=BF=A1=E6=81=AF=E4=BA=86=EF=BC=8C=E7=9B=B8=
=E6=AF=94 XML =E9=9C=80=E8=A6=81=E4=BB=8E DOM=20
            =
=E4=B8=AD=E8=AF=BB=E5=8F=96=E5=90=84=E7=A7=8D=E8=8A=82=E7=82=B9=E8=80=8C=E8=
=A8=80=EF=BC=8CJSON =
=E7=9A=84=E4=BD=BF=E7=94=A8=E9=9D=9E=E5=B8=B8=E5=AE=B9=E6=98=93=E3=80=82=E6=
=88=91=E4=BB=AC=E9=9C=80=E8=A6=81=E5=81=9A=E7=9A=84=E4=BB=85=E4=BB=85=E6=98=
=AF=E5=8F=91=E9=80=81=E4=B8=80=E4=B8=AA Ajax =
=E8=AF=B7=E6=B1=82=EF=BC=8C=E7=84=B6=E5=90=8E=E5=B0=86=E6=9C=8D=E5=8A=A1=E5=
=99=A8=E8=BF=94=E5=9B=9E=E7=9A=84 JSON=20
            =
=E6=95=B0=E6=8D=AE=E8=B5=8B=E5=80=BC=E7=BB=99=E4=B8=80=E4=B8=AA=E5=8F=98=E9=
=87=8F=E5=8D=B3=E5=8F=AF=E3=80=82=E6=9C=89=E8=AE=B8=E5=A4=9A Ajax =
=E6=A1=86=E6=9E=B6=E6=97=A9=E5=B7=B2=E5=8C=85=E5=90=AB=E4=BA=86=E5=A4=84=E7=
=90=86 JSON =
=E6=95=B0=E6=8D=AE=E7=9A=84=E8=83=BD=E5=8A=9B=EF=BC=8C=E4=BE=8B=E5=A6=82 =
Prototype=EF=BC=88=E4=B8=80=E4=B8=AA=E6=B5=81=E8=A1=8C=E7=9A=84=20
            JavaScript =
=E5=BA=93=EF=BC=9Ahttp://prototypejs.org=EF=BC=89=E6=8F=90=E4=BE=9B=E4=BA=
=86 <CODE>evalJSON()</CODE>=20
            =
=E6=96=B9=E6=B3=95=EF=BC=8C=E8=83=BD=E7=9B=B4=E6=8E=A5=E5=B0=86=E6=9C=8D=E5=
=8A=A1=E5=99=A8=E8=BF=94=E5=9B=9E=E7=9A=84 JSON =
=E6=96=87=E6=9C=AC=E5=8F=98=E6=88=90=E4=B8=80=E4=B8=AA JavaScript =
=E5=8F=98=E9=87=8F=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>new =
Ajax.Request("http://url", {=20
  method: "get",=20
  onSuccess: function(transport) {=20
    var json =3D transport.responseText.evalJSON();=20
    // TODO: document.write(json.xxx);=20
  }=20
 });</PRE></TD></TR></TBODY></TABLE><BR>
            <P><A name=3DN1012F><SPAN =
class=3Datitle>=E6=9C=8D=E5=8A=A1=E5=99=A8=E7=AB=AF=E8=BE=93=E5=87=BA =
JSON =E6=A0=BC=E5=BC=8F=E6=95=B0=E6=8D=AE=20
</SPAN></A></P>
            =
<P>=E4=B8=8B=E9=9D=A2=E6=88=91=E4=BB=AC=E8=AE=A8=E8=AE=BA=E5=A6=82=E4=BD=95=
=E5=9C=A8=E6=9C=8D=E5=8A=A1=E5=99=A8=E7=AB=AF=E8=BE=93=E5=87=BA JSON =
=E6=A0=BC=E5=BC=8F=E7=9A=84=E6=95=B0=E6=8D=AE=E3=80=82=E4=BB=A5 Java =
=E4=B8=BA=E4=BE=8B=EF=BC=8C=E6=88=91=E4=BB=AC=E5=B0=86=E6=BC=94=E7=A4=BA=E5=
=B0=86=E4=B8=80=E4=B8=AA Java =
=E5=AF=B9=E8=B1=A1=E7=BC=96=E7=A0=81=E4=B8=BA JSON=20
            =E6=A0=BC=E5=BC=8F=E7=9A=84=E6=96=87=E6=9C=AC=E3=80=82 </P>
            <P>=E5=B0=86 String =
=E5=AF=B9=E8=B1=A1=E7=BC=96=E7=A0=81=E4=B8=BA JSON =
=E6=A0=BC=E5=BC=8F=E6=97=B6=EF=BC=8C=E5=8F=AA=E9=9C=80=E5=A4=84=E7=90=86=E5=
=A5=BD=E7=89=B9=E6=AE=8A=E5=AD=97=E7=AC=A6=E5=8D=B3=E5=8F=AF=E3=80=82=E5=8F=
=A6=E5=A4=96=EF=BC=8C=E5=BF=85=E9=A1=BB=E7=94=A8 (<CODE>"</CODE>) =
=E8=80=8C=E9=9D=9E=20
            (<CODE>'</CODE>) =
=E8=A1=A8=E7=A4=BA=E5=AD=97=E7=AC=A6=E4=B8=B2=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>=20
 static String string2Json(String s) {=20
    StringBuilder sb =3D new StringBuilder(s.length()+20);=20
    sb.append('\"');=20
    for (int i=3D0; i&lt;s.length(); i++) {=20
        char c =3D s.charAt(i);=20
        switch (c) {=20
        case '\"':=20
            sb.append("\\\"");=20
            break;=20
        case '\\':=20
            sb.append("\\\\");=20
            break;=20
        case '/':=20
            sb.append("\\/");=20
            break;=20
        case '\b':=20
            sb.append("\\b");=20
            break;=20
        case '\f':=20
            sb.append("\\f");=20
            break;=20
        case '\n':=20
            sb.append("\\n");=20
            break;=20
        case '\r':=20
            sb.append("\\r");=20
            break;=20
        case '\t':=20
            sb.append("\\t");=20
            break;=20
        default:=20
            sb.append(c);=20
        }=20
    }=20
    sb.append('\"');=20
    return sb.toString();=20
 }=20
 </PRE></TD></TR></TBODY></TABLE><BR>
            <P>=E5=B0=86 Number =E8=A1=A8=E7=A4=BA=E4=B8=BA JSON =
=E5=B0=B1=E5=AE=B9=E6=98=93=E5=BE=97=E5=A4=9A=EF=BC=8C=E5=88=A9=E7=94=A8 =
Java =
=E7=9A=84=E5=A4=9A=E6=80=81=EF=BC=8C=E6=88=91=E4=BB=AC=E5=8F=AF=E4=BB=A5=E5=
=A4=84=E7=90=86 Integer=EF=BC=8CLong=EF=BC=8CFloat =
=E7=AD=89=E5=A4=9A=E7=A7=8D=20
            Number =E6=A0=BC=E5=BC=8F=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>=20
 static String number2Json(Number number) {=20
    return number.toString();=20
 }=20
 </PRE></TD></TR></TBODY></TABLE><BR>
            <P>Boolean =
=E7=B1=BB=E5=9E=8B=E4=B9=9F=E5=8F=AF=E4=BB=A5=E7=9B=B4=E6=8E=A5=E9=80=9A=E8=
=BF=87 <CODE>toString()</CODE> =E6=96=B9=E6=B3=95=E5=BE=97=E5=88=B0 JSON =
=E7=9A=84=E8=A1=A8=E7=A4=BA=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>=20
 static String boolean2Json(Boolean bool) {=20
    return bool.toString();=20
 }=20
 </PRE></TD></TR></TBODY></TABLE><BR>
            =
<P>=E8=A6=81=E5=B0=86=E6=95=B0=E7=BB=84=E7=BC=96=E7=A0=81=E4=B8=BA JSON =
=E6=A0=BC=E5=BC=8F=EF=BC=8C=E5=8F=AF=E4=BB=A5=E9=80=9A=E8=BF=87=E5=BE=AA=E7=
=8E=AF=E5=B0=86=E6=AF=8F=E4=B8=80=E4=B8=AA=E5=85=83=E7=B4=A0=E7=BC=96=E7=A0=
=81=E5=87=BA=E6=9D=A5=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>=20
 static String array2Json(Object[] array) {=20
    if (array.length=3D=3D0)=20
        return "[]";=20
    StringBuilder sb =3D new StringBuilder(array.length &lt;&lt; 4);=20
    sb.append('[');=20
    for (Object o : array) {=20
        sb.append(toJson(o));=20
        sb.append(',');=20
    }=20
    // =E5=B0=86=E6=9C=80=E5=90=8E=E6=B7=BB=E5=8A=A0=E7=9A=84 ',' =
=E5=8F=98=E4=B8=BA ']':=20
    sb.setCharAt(sb.length()-1, ']');=20
    return sb.toString();=20
 }=20
 </PRE></TD></TR></TBODY></TABLE><BR>
            =
<P>=E6=9C=80=E5=90=8E=EF=BC=8C=E6=88=91=E4=BB=AC=E9=9C=80=E8=A6=81=E5=B0=86=
 <CODE>Map&lt;String, Object&gt;</CODE> =E7=BC=96=E7=A0=81=E4=B8=BA JSON =
=E6=A0=BC=E5=BC=8F=EF=BC=8C=E5=9B=A0=E4=B8=BA=20
            JavaScript =E7=9A=84 Object =
=E5=AE=9E=E9=99=85=E4=B8=8A=E5=AF=B9=E5=BA=94=E7=9A=84=E6=98=AF Java =
=E7=9A=84 <CODE>Map&lt;String, Object&gt;=20
            =
</CODE>=E3=80=82=E8=AF=A5=E6=96=B9=E6=B3=95=E5=A6=82=E4=B8=8B=EF=BC=9A</P=
>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>
              <TR>
                <TD class=3Dcode-outline><PRE class=3Ddisplaycode>=20
 static String map2Json(Map&lt;String, Object&gt; map) {=20
    if (map.isEmpty())=20
        return "{}";=20
    StringBuilder sb =3D new StringBuilder(map.size() &lt;&lt; 4);=20
    sb.append('{');=20
    Set&lt;String&gt; keys =3D map.keySet();=20
    for (String key : keys) {=20
        Object value =3D map.get(key);=20
        sb.append('\"');=20
        sb.append(key);=20
        sb.append('\"');=20
        sb.append(':');=20
        sb.append(toJson(value));=20
        sb.append(',');=20
    }=20
    // =E5=B0=86=E6=9C=80=E5=90=8E=E7=9A=84 ',' =E5=8F=98=E4=B8=BA '}':=20
    sb.setCharAt(sb.length()-1, '}');=20
    return sb.toString();=20
 }=20
 </PRE></TD></TR></TBODY></TABLE><BR>
            =
<P>=E4=B8=BA=E4=BA=86=E7=BB=9F=E4=B8=80=E5=A4=84=E7=90=86=E4=BB=BB=E6=84=8F=
=E7=9A=84 Java =
=E5=AF=B9=E8=B1=A1=EF=BC=8C=E6=88=91=E4=BB=AC=E7=BC=96=E5=86=99=E4=B8=80=E4=
=B8=AA=E5=85=A5=E5=8F=A3=E6=96=B9=E6=B3=95 =
<CODE>toJson(Object)</CODE>=EF=BC=8C=E8=83=BD=E5=A4=9F=E5=B0=86=E4=BB=BB=E6=
=84=8F=E7=9A=84=20
            Java =E5=AF=B9=E8=B1=A1=E7=BC=96=E7=A0=81=E4=B8=BA JSON =
=E6=A0=BC=E5=BC=8F=EF=BC=9A</P>
            <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
              <TBODY>