特殊字符的提交 JS处理

function filter(str){
str = str.replace(/\+/g,"%2B");
str = str.replace(/\&/g,"%26");
str = str.replace(/\,/g,"%2C");

str = str.replace(/\//g,"%2F");
str = str.replace(/\?/g,"%3F");
str = str.replace(/\:/g,"%3A");

str = str.replace(/\@/g,"%40");
str = str.replace(/\=/g,"%3D");
str = str.replace(/\$/g,"%24");

str = str.replace(/\#/g,"%23");
str = str.replace(/\%/g,"%25");
str = str.replace(/\ /g,"%20");
return str;
}

private String doFilter(String name){
name=name.replace("%2B", "+");
name=name.replace("%26", "&");
name=name.replace("%2C", ",");

name=name.replace("%2F", "/");
name=name.replace("%3F", "?");
name=name.replace("%3A", ":");

name=name.replace("%40", "@");
name=name.replace("%3D", "=");
name=name.replace("%24", "$");

name=name.replace("%23", "#");
name=name.replace("%25", "%");
name=name.replace("%20", " ");
return name;
}