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【
CSharp
】
过滤特殊字符
作者:
/ 发布于
2011/1/14
/
370
<div><span style="color: #008000">//</span><span style="color: #008000">过滤特殊字符</span><span style="color: #008000"> </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> String encoding(String src){ </span><span style="color: #0000ff">if</span><span style="color: #000000"> (src</span><span style="color: #000000">==</span><span style="color: #0000ff">null</span><span style="color: #000000">) </span><span style="color: #0000ff">return</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">; StringBuilder result</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> StringBuilder(); </span><span style="color: #0000ff">if</span><span style="color: #000000"> (src</span><span style="color: #000000">!=</span><span style="color: #0000ff">null</span><span style="color: #000000">){ src</span><span style="color: #000000">=</span><span style="color: #000000">src.trim(); </span><span style="color: #0000ff">for</span><span style="color: #000000"> (</span><span style="color: #0000ff">int</span><span style="color: #000000"> pos</span><span style="color: #000000">=</span><span style="color: #000000">0</span><span style="color: #000000">;pos</span><span style="color: #000000"><</span><span style="color: #000000">src.length();pos</span><span style="color: #000000">++</span><span style="color: #000000">){ </span><span style="color: #0000ff">switch</span><span style="color: #000000">(src.charAt(pos)){ </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">\"</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">"</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000"><</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000"><</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">></span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">></span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">\'</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">'</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">&</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">&</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">%</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">&pc;</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">_</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">&ul;</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">#</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">&shap;</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">?</span><span style="color: #000000">'</span><span style="color: #000000">:result.append(</span><span style="color: #000000">"</span><span style="color: #000000">&ques;</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #0000ff">break</span><span style="color: #000000">; </span><span style="color: #0000ff">default</span><span style="color: #000000">:result.append(src.charAt(pos));</span><span style="color: #0000ff">break</span><span style="color: #000000">; } } } </span><span style="color: #0000ff">return</span><span style="color: #000000"> result.toString(); } </span></div>
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